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Letters from the Edge

The Regenerate Forum: Regenerative Methods in Viticulture

January 20, 2021 Posted by Mimi

For a full list of interviews: https://www.regenerateforum.org/interviews

Last year I had the great pleasure of being interviewed by Andrew Keen on his new webcast, Regenerate Forum. Mr. Keen fears no controversy, having made a career of tackling the great political dilemmas of our time, and his experience makes this a fun spin on my usual topics:   https://www.regenerateforum.org/interviews

I highly recommend Mr. Keen’s other podcast, Keen on Democracy, if you like his style.

Filed Under: News

Outcasts

January 4, 2021 Posted by Mimi

Mannequin head laying in snow.
Looking A Head to 2021. (A hairdresser styling head I stumbled upon on a recent outing.)

I have few more pungent olfactory memories than those from the late summers of my childhood. The grapes growing softer and sweeter, the smell of the grasses changing from green and sappy to spicy, sweet and dry, the crackling of insect noises in the fields and forests. But nothing could compare to the purple-black, heady waves of tempting aromas that tumbled from the bramble patches on the farm.

Seeing the first ripe blackberry of the season sparked the beginning of heroic efforts to eat as many of the tender, shiny jewels as possible before they lost their turgid bounce, grew cloyingly sweet and seedy, and fed the birds and other hungry beasts took their piece with their autumnal appetites driving the frenzy of late summer binges to prepare for the winter. But those weeks were ripe with my aunt’s pies, tarts, jams and as many hands full of just pure, unadulterated summer-in-your-mouth delight as possible.

Of course there’s always a catch. I have permanent scars from the recurved harpoons that grab you just as your fingers brush up against the perfect fat berry that is peeking out just so, hooking the outer dermis of hand, forearm, scalp as you gingerly try to extract the little gem. But ask any bird, bug or kid why they suffer the piercing prickles and the answer is unanimous, “It’s worth it”.

It wasn’t until I was older that my high school biology teacher introduced me to the terms ‘invasive,’ ‘exotic,’ and ‘noxious,’ weeds. They squeeze out native, even endemic species, reducing biodiversity, changing soil conditions, smothering, choking, changing. I was radicalized, naturally, and participated eagerly in graduate seminars and workshops focused on words like ‘eradicate’ and ‘control,’ our natural areas at risk of complete and permanent destruction. The tools and weapons employed in this war are legion, and as a devoted soldier I followed the directives of the literature on invasive species, growing more and more alarmed as our tactics clearly failed, the war effort growing ever more sisyphian, demoralizing, and painful.

It was when I left public lands and came back to farmland that I allowed myself to reexamine many of the key tenets of my ecological education: what if our perspective on biodiversity, natives and these demons we call invasive is rooted in a weak understanding or at least a blindness to two foundational concepts: succession and selection pressure? Meta-analyses of the research on and strategies for controlling invasive species reveal an impressive expenditure of effort and resources on a litany of attempts world-wide (see the bibliography below), but I challenge anyone to point to the resounding success that any of these efforts has yielded. We have spared no expense, no mechanical or chemical warfare, in this effort. And we cannot even boast of battles we’ve won let alone the war.

What if we have fundamentally missed what this chronic decline is telling us? What if invasives are the symptom, not the disease?

—

Since the first simple organisms left the oceans and did the first work of using atmospheric gas to turn rock into soil, natural selection and evolution have met the challenges of the physical non-living world by shaping it with life. Complex life only exists because of the billions of years spent by living organisms painstakingly making the substrate for future, more complex life to thrive.

As bacteria and fungi and protozoa and rotifer evolved, so did their food and support plants, shaping new environments for even further below-ground diversity. That diversity facilitated an environment suitable for greater plant diversity, and the greater plant diversity created conditions that supported greater diversity in the animal kingdom, and so on.

In nature, bare ground signifies the kind of natural disturbance that happens only occasionally across geological time, not in human time: volcanic eruptions, earthquakes, asteroids. Bare soil is a fire alarm. Bare ground is the equivalent of an arterial bleed.  At the species level, plants and animals have coevolved relationships with one another that allow them to create the conditions necessary to recover bare ground back to a baseline of health and function after a disturbance.  There is NO reference point in the history of our world that supports the idea that life gets less diverse permanently. It contracts, and there are powerful examples of massive extinction events, now rivaled by this one we are in right now, but in every instance the rebuilding life always radiates towards more diversity.

Yet the Anthropocene, if it is anything, is the age of bare ground on purpose. Every time we use the plow, we reset the system to a primary stage.

What happens when land is repeatedly stripped down to bare earth? Edges of fragility radiate from the wound. As we do this repeatedly, and convert more and more acres from native habitat to cultivated, controlled farmland, this bleed out grows larger and larger. Eventually, the connective tissue can no longer support the more sensitive plants and animals, the very communities that sustained it before.

The scope and severity of the disturbance pattern we have created has become such that our ‘healthy’ ecosystems are moving backwards, successionally.  We keep losing diversity in places that are supposed to be protected, because the edges represent more vulnerable surface area than is protected within.

Human-based disturbance patterns: converting the land, removing the native vegetation, artificially draining the land, repeatedly tilling and plowing; this pattern has created a landing pad for a specific type of organism. Many species we call ‘invasive’ have evolutionary strategies that make them brilliant colonizers of disturbed land: lightweight seeds, delicious fruits, vegetative (clonal) reproduction, rapid growth, low nutrient requirements, defense mechanisms adapted to harsh environments, and so much more. These organisms succeed because they have the stuff to thrive in places where our actions on the landscape have pushed ecosystems into suspended primary stages. The diversity of native species we want to see instead of these invasives requires a stability we cannot even see or comprehend that we have lost.

Quorum sensing is a particularly cool and well-studied mechanism in biology. Essentially, it is the process whereby microbes use various signaling pathways to communicate and ‘discern’ population density, in order to regulate a behavior or even express a trait like virulence or the formation of biofilms. In other words, they might just hang out doing nothing until a critical mass can achieve a particular effort, and then leap into action. This has been studied widely in bacteria and fungi. My point? It is not so far-fetched, given the many ways we know species sense, communicate, and react to one another, that ecosystems would ‘sit’ in a particular state until the necessary components have recovered to a point where the community can, through cooperative processes, facilitate forward progress again.

—

Every ecosystem is, in its way, an organism. Critical processes within the organism require complex sets of locks and their keys in order to take place. In the ecosystem of our bodies, all of the most critical functions that keep us well and healthy, from respiration to reproduction to neuronal communication and DNA repair, require enzymatic reactions catalyzed by trace minerals and vitamins, without which, these processes are stalled. We are now in an age where the sources of those nutrients, the foods we eat, no longer contain them in the quantities they once did. We are deprived, even if we eat more. The ecosystem can function without some of its pieces for a time, but eventually, the parts cannot communicate, and the components decay and decline, contracting down to whatever unit can survive until better conditions arrive.

How we approach and care for our ecosystems has many parallels with how we approach our health. We are masters of acute care. We can set bones, sew and repair even morbid wounds. But chronic modern diseases have exposed the limits of acute care, just as invasive species have exposed our ecological blind spots.  Intelligent societies might by now realize that healthy, functioning ecosystems are the only basis for the survival of future generations.

—————

If our objective is to maintain high functioning ecosystems and protect biodiversity, and our strategy is to eradicate (read: more disturbance) or control invasive weeds, towards which we employ tactics focused solely on the offending vegetation and possibly revegetation with native stock, we are likely to continue to fail for several reasons. Our tactics are addressing the superficial presentation, the symptom, not the root cause. Deeply wounded are our systems. The native plants we seed and plug cannot be fit without their microbiological partners, the vertebrate and invertebrate herbivores that stimulate their metabolism to produce phytochemicals for their protection, that pollinate their flowers and spread their seeds. The objective is good, but the strategy and tactics are misguided.

It takes non-human time to move from a primary or early successional stage to something that is at once stable and dynamic. Soil food webs are not quaint pictures. Soil food webs are critical mortar for anything more ‘macro’. Do we know what the geospatial requirements are for an ecosystem to have the means to function well?  We do not, but we DO know that highly disturbed, bare ground is fertile ground for certain organisms that have evolved strategies that make them highly competitive when conditions are poor. Our efforts could potentially do more harm than good if we manage for symptoms.

What if we changed our strategy? If our objective is high-functioning ecosystems, both on the landscape and in our bodies, that repair quickly, respond quickly, maintain good productivity, nutrient cycling and energetic exchange, how would we identify a strategy to reach that objective? Could the strategy be to look first at the biggest threat to those functions, which is AGRICULTURE as we practice it currently?

—-

Since you’re still reading, indulge me in a thought experiment. Imagine we focus our incredible potential, our power and resources, on first the most basic support mechanisms to create the conditions required for greater resilience and more stable diversity. Imagine that an agricultural region could muster a majority of privately held lands and landowners with the goal of adopting certain practices that support flows, the shape of which should be circles, not lines. We would certainly start with soil and nutrient cycling. However, by including thoughtfully designed installations of habitat networks on farmland, that are connected across time and property line, a deeper, more architectural repair of the soil can facilitate a deeper, more architectural stability above ground.

This return of lost trophic structure is key to an ecological engine that revs, that cycles times faster. And if we could also come together as farmers, with the support of our communities and governments, to plan crop rotations that feed, build and fuel locally, we no longer export our fertility beyond our borders, we feed more with less waste, and farmers feel secure in their work again without the pressure of squeezing one more penny out of a commodity market that doesn’t know or care about them.

This kind of planning and design could and should bring together a rich and diverse community of people who love where they live. It could bring artistry to the landscape, generating more peaceful and tranquil places for people to visit and recreate. It could allow for greater connection between public and private lands, each shoring up the other, making more space for wildlife and generating more public support of landowners who participate.

Once more let us consider the herculean discharge of energy in the effort to ‘eradicate’ a particular Outcast species, while we blindly eliminate legions of endangered species every year. The symptoms we dislike, the thorny, prickly, aggressive species we focus on are doing a job. They are not the cause, they are the symptomatic expression of a human disturbance regime that we impose repeatedly, in human time, that has geologic time level impact. If we look for tactics that recharge the battery that our plant communities plug into, we might just be able to see something happen in human time that looks more like succes

—-

Resources, and for further reading:

SUCCESSION

Bauer, J. T., Mack, K. M. L., & Bever, J. D. (2015).  Plant‐soil feedbacks as drivers of succession: Evidence from remnant and restored tallgrass prairies. Ecosphere,  6,  art158.

Bever, J. D., Platt, T. G., & Morton, E. R. (2012).  Microbial population and community dynamics on plant roots and their feedbacks on plant communities. Annual Review of Microbiology,  66,  265– 283.

Blois, J. L., Zarnetske, P. L., Fitzpatrick, M. C., & Finnegan, S. (2013).  Climate change and the past, present, and future of biotic interactions. Science,  341,  499– 504.

Chai, Y., Liu, X., Yue, M., Guo, J., Wang, M., Wan, P., … Zhang, C. (2015).  Leaf traits in dominant species from different secondary successional stages of deciduous forest on the Loess Plateau of northern China. Applied Vegetation Science,  18,  50– 63.

Chang, C. C., Halpern, C. B., Antos, J. A., Avolio, M. L., Biswas, A., Cook, J. E., … Zobel, D. B. (2019). Testing conceptual models of early plant succession across a disturbance gradient. Journal of Ecology,  107,  517– 530.

Chang, CC,  Turner, BL.  Ecological succession in a changing world. J Ecol.  2019; 107: 503– 509. https://doi.org/10.1111/1365-2745.13132

Clark, A. T., Knops, J. M. H., & Tilman, D. (2019).  Contingent factors explain average divergence in functional composition over 88 years of old field succession. Journal of Ecology,  107,  545– 558.

Connell, J. H., & Slatyer, R. O. (1977).  Mechanisms of succession in natural communities and their role in community stability and organization. The American Naturalist,  111,  1119– 1144.

Cutler, N. A., Chaput, D. L., & van der Gast, C. J. (2014).  Long‐term changes in soil microbial communities during primary succession. Soil Biology and Biochemistry,  69,  359– 370.

Damschen, E. I., Brudvig, L. A., Haddad, N. M., Levey, D. J., Orrock, J. L., & Tewksbury, J. J. (2008). The movement ecology and dynamics of plant communities in fragmented landscapes. Proceedings of the National Academy of Sciences of the United States of America,  105,  19078– 19083.

De Meester, L., Vanoverbeke, J., Kilsdonk, L. J., & Urban, M. C. (2016).  Evolving perspectives on monopolization and priority effects. Trends in Ecology & Evolution,  31,  136– 146.

Derroire, G., Powers, J. S., Hulshof, C. M., Varela, L. E. C., & Healey, J. R. (2018).  Contrasting patterns of leaf trait variation among and within species during tropical dry forest succession in Costa Rica. Scientific Reports,  8,  285.

Diaz, S., & Cabido, M. (2001).  Vive la difference: Plant functional diversity matters to ecosystem processes. Trends in Ecology & Evolution,  16,  646– 655.

Dickie, I. A., Koide, R. T., & Fayish, A. C. (2001).  Vesicular–arbuscular mycorrhizal infection of Quercus rubra seedlings. New Phytologist,  151,  257– 264.

Dini‐Andreote, F., Stegen, J. C., van Elsas, J. D., & Salles, J. F. (2015).  Disentangling mechanisms that mediate the balance between stochastic and deterministic processes in microbial succession. Proceedings of the National Academy of Sciences of the United States of America,  112,  E1326– E1332.

Douma, J. C., de Haan, M. W. A., Aerts, R., Witte, J.‐P. M., & van Bodegom, P. M. (2012).  Succession‐induced trait shifts across a wide range of NW European ecosystems are driven by light and modulated by initial abiotic conditions. Journal of Ecology,  100,  366– 380.

Duffin, K. I., Li, S. P., & Meiners, S. J. (2019).  Species pools and differential performance generate variation in leaf nutrients between native and exotic species in succession. Journal of Ecology,  107, 595– 605.

Egerton, F. N. (2015).  History of ecological sciences, part 54: Succession, community, and continuum. The Bulletin of the Ecological Society of America,  96,  426– 474.

Ettinger, A. K., & HilleRisLambers, J. (2013).  Climate isn’t everything: Competitive interactions and variation by life stage will also affect range shifts in a warming world. American Journal of Botany, 100,  1344– 1355.

Fischer, D. G., Antos, J. A., Biswas, A., & Zobel, D. B. (2019).  Understorey succession after burial by tephra from Mount St. Helens. Journal of Ecology,  107,  531– 544.

Fridley, J., & Wright, J. (2012).  Drivers of secondary succession rates across temperate latitudes of the Eastern USA: Climate, soils, and species pools. Oecologia,  168,  1069– 1077.

Fukami, T. (2015).  Historical contingency in community assembly: Integrating niches, species pools, and priority effects. Annual Review of Ecology, Evolution, and Systematics,  46,  1– 23.

Gao, C., Montoya, L., Xu, L., Madera, M., Hollingsworth, J., Purdom, E., … Lemaux, P. G. (2018). Strong succession in arbuscular mycorrhizal fungal communities. The ISME Journal,  1,  214– 226.

Garnier, E., Cortez, J., Billes, G., Navas, M. L., Roumet, C., Debussche, M., … Toussaint, J. P. (2004). Plant functional markers capture ecosystem properties during secondary succession. Ecology,  85, 2630– 2637.

Hall, F., Bryant, L., Clausnitzer, R., Geier-Hayes, K., Keane, R., Kertis, J., Shlisky, A., Steele, R., Definitions and Codes for Seral Status and Structure of Vegetation USFS Publication

Härdtle, W., Niemeyer, M., Niemeyer, T., Assmann, T., & Fottner, S. (2006).  Can management compensate for atmospheric nutrient deposition in heathland ecosystems? Journal of Applied Ecology,  43,  759– 769.

HilleRisLambers, J., Adler, P. B., Harpole, W. S., Levine, J. M., & Mayfield, M. M. (2012).  Rethinking community assembly through the lens of coexistence theory. Annual Review of Ecology, Evolution, and Systematics,  43,  227– 248.

Huston, M., & Smith, T. (1987).  Plant succession: Life history and competition. The American Naturalist,  130,  168– 198.

Jangid, K., Whitman, W. B., Condron, L. M., Turner, B. L., & Williams, M. A. (2013).  Soil bacterial community succession during long‐term ecosystem development. Molecular Ecology,  22,  3415– 3424.

Johnson, N. C., Zak, D. R., Tilman, D., & Pfleger, F. L. (1991).  Dynamics of vesicular‐arbuscular mycorrhizae during old field succession. Oecologia,  86,  349– 358.

Jones, C. C., & del Moral, R. (2009).  Dispersal and establishment both limit colonization during primary succession on a glacier foreland. Plant Ecology,  204,  217– 230.

Kahmen, S., & Poschlod, P. (2004).  Plant functional trait responses to grassland succession over 25 years. Journal of Vegetation Science,  15,  21– 32.

Karadimou, E., Kallimanis, A., Tsiripidis, I., Raus, T., Bergmeier, E., & Dimopoulos, P. (2018). Functional diversity changes over 100 yr of primary succession on a volcanic island: Insights into assembly processes. Ecosphere,  9,  e02374.

Kelemen, A., Tóthmérész, B., Valkó, O., Miglécz, T., Deák, B., & Török, P. (2017).  New aspects of grassland recovery in old‐fields revealed by trait‐based analyses of perennial‐crop‐mediated succession. Ecology and Evolution,  7,  2432– 2440.

Kettenring, K.M. and Adams, C.R. (2011), Lessons learned from invasive plant control experiments: a systematic review and meta‐analysis. Journal of Applied Ecology, 48: 970-979. doi:10.1111/j.1365-2664.2011.01979.x

Koziol, L., & Bever, J. D. (2019).  Mycorrhizal feedbacks generate positive frequency dependence accelerating grassland succession. Journal of Ecology,  107,  622- 632.

Kraft, N. J. B., Adler, P. B., Godoy, O., James, E. C., Fuller, S., & Levine, J. M. (2014).  Community assembly, coexistence and the environmental filtering metaphor. Functional Ecology,  29,  592– 599.

Lai, H., Chong, K., Yee, A., Tan, H., & van Breugel, M. (in revision).  Functional traits that moderate tropical plant recruitment during post-windstorm secondary succession.

Lambers, H., Raven, J. A., Shaver, G. R., & Smith, S. E. (2008).  Plant nutrient‐acquisition strategies change with soil age. Trends in Ecology & Evolution,  23,  95– 103.

Lasky, J. R., Uriarte, M., Boukili, V. K., & Chazdon, R. L. (2014).  Trait‐mediated assembly processes predict successional changes in community diversity of tropical forests. Proceedings of the National Academy of Sciences of the United States of America,  111,  5616– 5621.

Lebrija‐Trejos, E., Perez‐Garcia, E. A., Meave, J. A., Bongers, F., & Poorter, L. (2010).  Functional traits and environmental filtering drive community assembly in a species‐rich tropical system. Ecology, 91,  386– 398.

Li, S., Cadotte, M. W., Meiners, S. J., Pu, Z., Fukami, T., & Jiang, L. (2016).  Convergence and divergence in a long‐term old‐field succession: The importance of spatial scale and species abundance. Ecology Letters,  19,  1101– 1109.

Liu, J., Coomes, D. A., Hu, G., Liu, J., Yu, J., Luo, Y., & Yu, M. (2019).  Larger fragments have more late‐successional species of woody plants than smaller fragments after 50 years of secondary succession. Journal of Ecology,  107,  582– 594.

Lohbeck, M., Poorter, L., Martínez‐Ramos, M., Rodriguez‐Velázquez, J., van Breugel, M., & Bongers, F. (2014).  Changing drivers of species dominance during tropical forest succession. Functional Ecology,  28,  1052– 1058.

Makoto, K., & Wilson, S. D. (2016).  New multicentury evidence for dispersal limitation during primary succession. The American Naturalist,  187,  804– 811.

Makoto, K., & Wilson, S. D. (2019).  When and where does dispersal limitation matter in primary succession? Journal of Ecology,  107,  559– 565.

Marteinsdóttir, B., Svavarsdóttir, K., & Thórhallsdóttir, T. E. (2018).  Multiple mechanisms of early plant community assembly with stochasticity driving the process. Ecology,  99,  91– 102.

McGuire, K., Henkel, T., de la Cerda, I. G., Villa, G., Edmund, F., & Andrew, C. (2008).  Dual mycorrhizal colonization of forest‐dominating tropical trees and the mycorrhizal status of non‐dominant tree and liana species. Mycorrhiza,  18,  217– 222.

Meiners, S. J., Cadotte, M. W., Fridley, J. D., Pickett, S. T. A., & Walker, L. R. (2014).  Is successional research nearing its climax? New approaches for understanding dynamic communities. Functional Ecology,  29,  154– 164.

Norden, N., Angarita, H. A., Bongers, F., Martínez‐Ramos, M., Granzow‐de la Cerda, I., van Breugel, M., … Chazdon, R. L. (2015).  Successional dynamics in Neotropical forests are as uncertain as they are predictable. Proceedings of the National Academy of Sciences of the United States of America,  112, 8013– 8018.

Peltzer, D. A., Wardle, D. A., Allison, V. J., Baisden, W. T., Bardgett, R. D., Chadwick, O. A., … Richardson, S. J. (2010).  Understanding ecosystem retrogression. Ecological Monographs,  80,  509– 529.

Prach, K., Tichý, L., Lencová, K., Adámek, M., Koutecký, T., Sádlo, J., … Botta‐Dukát, Z. (2016).  Does succession run towards potential natural vegetation? An analysis across seres. Journal of Vegetation Science,  27,  515– 523.

Prach, K., & Walker, L. R. (2011).  Four opportunities for studies of ecological succession. Trends in Ecology & Evolution,  26,  119– 123.

Prach, K., & Walker, L. R. (2019).  Differences between primary and secondary plant succession among biomes of the world. Journal of Ecology,  107,  510– 516.

Pulsford, S. A., Lindenmayer, D. B., & Driscoll, D. A. (2014).  A succession of theories: Purging redundancy from disturbance theory. Biological Reviews,  91,  148– 167.

Purschke, O., Schmid, B. C., Sykes, M. T., Poschlod, P., Michalski, S. G., Durka, W., … Prentice, H. C.(2013).  Contrasting changes in taxonomic, phylogenetic and functional diversity during a long‐term succession: Insights into assembly processes. Journal of Ecology,  101,  857– 866.

Reich, P. B. (2014).  The world‐wide ‘fast–slow’ plant economics spectrum: A traits manifesto. Journal of Ecology,  102,  275– 301.

Suding, K. N., & Hobbs, R. J. (2009).  Threshold models in restoration and conservation: A developing framework. Trends in Ecology & Evolution,  24,  271– 279.

Tarlera, S., Jangid, K., Ivester, A. H., Whitman, W. B., & Williams, M. A. (2008).  Microbial community succession and bacterial diversity in soils during 77000 years of ecosystem development. FEMS Microbiology Ecology,  64,  129– 140.

Teste, F. P., & Laliberté, E. (2019).  Plasticity in root symbioses following shifts in soil nutrient availability during long‐term ecosystem development. Journal of Ecology,  107,  633– 649.

Tilman, D. (1993).  Community diversity and succession – The roles of competition, dispersal, and habitat modification. Biodiversity and Ecosystem Function,  99,  327– 344.

Uroz, S., Tech, J., Sawaya, N., Frey‐Klett, P., & Leveau, J. (2014).  Structure and function of bacterial communities in ageing soils: Insights from the Mendocino ecological staircase. Soil Biology and Biochemistry,  69,  265– 274.

Walker, L. R. (2011).  Integration of the study of natural and anthropogenic disturbances using severity gradients. Austral Ecology,  36,  916– 922.

Walker, L. R., & del Moral, R. (2003).  Primary succession and ecosystem rehabilitation.  Cambridge, UK: Cambridge University Press.

Walker, L. R., & del Moral, R. (2009).  Lessons from primary succession for restoration of severely damaged habitats. Applied Vegetation Science,  12,  55– 67.

Walker, L. R., Walker, J., & Hobbs, R. J. (2007).  Linking restoration and ecological succession.  London, UK: Springer.

Walker, L. R., & Wardle, D. A. (2014).  Plant succession as an integrator of contrasting ecological time scales. Trends in Ecology & Evolution,  29,  504– 510.

Wardle, D. A., Walker, L. R., & Bardgett, R. D. (2004).  Ecosystem properties and forest decline in contrasting long‐term chronosequences. Science,  305,  509– 513.

Wright, S. J., Kitajima, K., Kraft, N. J., Reich, P. B., Wright, I. J., Bunker, D. E., … Díaz, S. (2010). Functional traits and the growth–mortality trade‐off in tropical trees. Ecology,  91,  3664– 3674.

Wright, I. J., Reich, P. B., Westoby, M., Ackerly, D. D., Baruch, Z., Bongers, F., … Diemer, M. (2004). The worldwide leaf economics spectrum. Nature,  428,  821– 827.

Zemunik, G., Turner, B. L., Lambers, H., & Laliberté, E. (2015).  Diversity of plant nutrient‐acquisition strategies increases during long‐term ecosystem development. Nature Plants,  1,  15050. https://doi.org/10.1038/nplants.2015.50

 

ON INVASIVE SPECIES, THEIR STUDY AND CONTROL:

Felker-Quinn, E., Schweitzer, J., Bailey, J., (2013). Meta-analysis reveals evolution in invasive plant species but little support for Evolution of Increased Competitive Ability (EICA) Ecology and Evolution 3(3): 739-751

Abhilasha, D., and J. Joshi. 2009. Enhanced fitness due to higher fecundity, increased defence against a specialist and tolerance towards a generalist herbivore in an invasive annual plant. J. Plant Ecol. UK 2:77–86.

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Filed Under: News

“Controversial and even Incendiary” Interview with Organic Wine Podcast

October 12, 2020 Posted by Mimi

Sun setting over Hopewell Vineyard
Dear Friends,

Here is an interview I did with Adam Huss about a month ago on his Organic Wine Podcast. This was an interview I totally enjoyed because Adam asked me the kind of “controversial and even incendiary” questions I really like to talk about.

~Mimi

Filed Under: News, Vineyard

Vendange 2020: The Hardest Lessons Yet

September 7, 2020 Posted by Mimi

Shriveled grapes.

Dear Friends,

Outside of my field notes, I rarely write in the growing season or near the harvest. Keeping up with the work takes 110% physical and mental presence, but this year I have decided that some things should not be looked at in the rearview. I have wanted to maintain a spirit of both optimism and truth here, and yet I do not want to ever do a disservice to the mission of Hope Well by presenting a prettier version of the truth, or even just the version one sees through the filter of retrospect, with blurred edges.

In previous seasons, my faith in the work and the land have given me the courage to double-down when things start to fall apart. There is a moment in every growing season when I am seized with crippling anxiety and self-doubt, but harvest comes and the joyful memory in my aching muscles takes away the edge. The backwards steps are overcome by more feet forward, and that is enough to light the fire again.

This year. This is a year of the hardest lessons. As we entered a(nother) uncommonly humid growing season it was clear that the reality of ever-more vineyards in our narrow valley means that our fungal foe powdery mildew has more presence than ever before. Organic growers who rely on non-synthetic controls are spraying much more often than anyone feels good about.  My concern about mildew outbreaks was dwarfed by my concern over the reality of how much compaction from tractor passes our fragile soils can bear, even with permanent cover crop. We are trying to build organic matter in the soil, an essential component of regeneration, but how can we do that when we have to drive tractors so often to keep our fruit clean?

We managed to reach veraison with clean fruit, but with a heavy heart over what it took to be clean. I was texting constantly with my other organic colleagues: what does this mean? Do we accept this? Can we reasonably argue this is ‘better?’ or just less terrible?

As I tried to console myself that the soil compaction from our organic sprays is less because we have roots in the ground everywhere, and that even if the crop was the smallest on record this year to begin with due to a wet cool bloom period, it was clean and had the promise of excellence, a new plague suddenly appeared:  an explosion in the population of voles.

Tractor making dust.

During August our valley looks like the dust bowl. The thousands of acres surrounding us are put under plow, harrow and disc, putting countless tons of topsoil into the air, and leaving thousands of ground-dwelling vertebrates homeless. The vultures and carrion eaters descend to the feast laid in this wake, but the survivors, hungry and thirsty, seek shelter wherever it can be found. Our farm became the refuge just as the driest part of the season came on.

We’ve always had voles, and gophers and moles.  These soil vertebrates have a real job to do. They have coevolved with this landscape to deliver mineralized, lower layers of subsoil to mix with topsoil and organic matter and recycling minerals. In the past our snakes and raptors and coyotes have kept their damage to our plants to an acceptable level. This year the predators are so overfed they are killing for sport, leaving the carcasses on end posts and dropping them on the ground. And still, legions skitter about laying waste to the crop. Having built a refuge of permanent cover, in a high cycle year for voles, I now am seeing what I have always feared might be true: our island of diversity and recovery is not big enough to support the failing health of the surrounding ecosystem.

Snake skin from a gopher snake.
An overfed gopher snake shedding its skin – again.

Every year as harvest draws near I walk the vineyard daily doing the late-season perfection pass, tasting the progress. This year every day there is less. Bays full of vines girdled by thirsty voles turn red as the carbohydrates fill up the leaves and the vines produce excess anthocyanins in response. Because of the girdling the products of photosynthesis cannot be translocated to the roots, so those carbohydrates will not be stored for the following year, giving the vine a life-expectancy only as long as it has permanent storage. Bunches of fruit that have been girdled at the rachis (stem) wither and raisin before they have even turned color. Canes that would be next years’ pruning wood are also girdled.

My organic inspector’s advice was to clean cultivate. Break up their tunnels, kill them in the ground with the blades. Obviously, poison is not an option here. Even if I cultivate to try to save what is left, what will I lose in so doing? Ten years of hard work building soil.  And if I don’t, why should I believe that next year won’t be worse? And even if we did manage to take the vole population down by taking an action like cultivation, can we afford to replant 30% of this vineyard to repair the damage already done?

If I lose the farm in this lesson because I can’t afford to recover from this, whether I till or don’t till, won’t have mattered much except to me.  I, like many others, I’d wager, am forced to choose between what I know is best for the land, and what will allow me to eke out one more little vintage.

I’ve counseled others on transitioning vineyards to no-till. I never lie about what kind of commitment it is, and I never pretend to know all the answers. Being no-till AND organic would challenge the constitution of even the most seasoned veteran. I’ve tried to learn what happens when you keep walking the line, my faith that the system is constantly trying to rebalance itself has been my companion on that lonely road. How will we ever know if this works otherwise?

Failure is not scary to me. We’re good friends. I value the opportunity to learn. And sadly, I feel I have learned the most critical lesson yet: In an ocean of conventional, extractive farming, islands of regenerative practices will meet insurmountable challenges unless the farmer is wealthy enough to continue to throw money into the farm that has no offset in the profits afforded by value-added markets.

But even more to the point, I have always said, and I still believe, that the people who deserve and desperately need the truly nutritious food that can only be grown regeneratively, cannot afford the price of admission. The rich people who can afford to farm this way and eat this way will not find safe-haven when the real reckoning begins.

The mission of Hope Well is to look for a way to change agriculture. In twelve years I have learned so much, and every answer has posed new questions. We cannot allow ourselves be lured into believing that invoking the words ‘regenerative agriculture’ is somehow also an action. At the heart of this concept is old wisdom, a way of living with the land that requires patience, humility, and faith.  It is noun and verb. For our land managers to adopt this way of life, society must adopt it with them, in support of them, for a better future for all. It must be adopted on a societal and a landscape level, on a scale that can succeed, that is not just hanging on by threads on tiny islands eroded on all sides by conventional extractive agriculture. Regenerative agriculture must become the conventional way if we are going to find our way to systemic justice, ecological repair, and climate resilience.

I write to think, and to first separate, and then reconcile the emotional experience of doing this work with the scientific observations that doing the work has afforded. As I began writing this, all I could see and feel was the barriers, the damage and destruction. All I could feel was the weight of failure. But I opened one of my million field notebooks and looked back over the year, the sightings of new wildflowers (a few), the return of our wild bees to the hive tree, the (much) bigger populations of predatory arthropods, soil invertebrates, bluebirds, tanagers, horned lark and scores of other creatures and plants.

But ABOVE that, in these darkest moments, without ever reaching out, I have been surrounded by the unsolicited love and almost deafening support of old and new friends who are on this journey too. Like a counter-flood to the voles, the love came in connections across oceans and lanes and walks of life: new friends from Provence who are using their considerable marketing prowess to raise awareness of holistic management; a young Burgundian from an historic estate who went full-force into no-till winegrowing where it is virtually unheard of; an American in traditional Burgundy who is transitioning ANOTHER historic domaine to regenerative practices; the most timely and heart-stopping letter and a beautiful book from a humane and beautiful butchery in New South Wales, and long email from a second-generation winegrower in Tasmania who is trying to spread regenerative practices with growers in her region; a raw and unfiltered visit with a group of incredible women of color in wine; and countless emails and texts from Costa Rica, Ecuador, Chile, Vermont, Texas, Arizona, New York, Colorado, New Jersey, Virginia; and here, in my home state, the calls from my people who know when I’ve gone to ground, the walks with my mother, and my little family telling me that no matter how few there are, these grapes taste better than any grapes in the world. The lives behind the words, their own paths, their pain, their joy, so many harmonic notes. We are finding each other and raising an army of will and walk that is poised to give and give more without judgement and with grace. This is only the beginning of the work, and I love beginnings.   And now, again, I feel nothing but gratitude for this gorgeous, terrifying adventure I’m on.

THESE ARE JUST A FEW PEOPLE IN THIS FIGHT. MEET THEM, FOLLOW THEM, SUPPORT THEM

  • Charles Arnoux-Lachaux: Domaine Arnoux-Lachaux, Burgundy
  • Mark O’Connell: Domaine Clos de la Chapelle, Burgundy
  • Stephen and Jeany Cronk, Clement Prelat: Domaine Mirabeau, Provence
  • Jesper Saxgren: Ecologist, Denmark
  • François Chidaine: Domaine François Chidaine, Loire
  • Laura Dalrymple and Grant Hilliard: Feather and Bone, NSW
  • Abby Rose: Vidacycle, UK and Chile
  • Cynthea Semmens: Marion’s Vineyard and Beautiful Isle Wines, Tasmania
  • Ricky Taylor and Katie Jablonski: Alta Marfa, Texas
  • Christopher Renfro: 280 Project, California
  • Sarah Red-Laird: BeeGirl, Oregon
  • Robin Touchet and Kevin Pike: Branchwater Farms, New York
  • Ashley Rood: Oregon Climate and Agriculture Network, Oregon
  • Nicole Maness: Willamette Partnership, Oregon
  • Cory Carman: Carman Ranch, Oregon
  • Laura Brennan Bissell: Inconnu, California
  • Chevonne Ball: Dirty Radish, Oregon
  • Roxy Eve Navaraez, Etinosa Emokpae, Imane Hanine, and Jirka Jireh: stratosphere

…and so many, many more.

CLICK/TAP IMAGE FOR GALLERY

Domaine Arnoux-Lachaux, happily showing off their first vintage with full vegetative cover in the vines.
Picture of The Ethical Omnivore
The group of women at Hope Well

I said I had questions, not answers. If these questions are interesting to you then please help me ask them at every level of our interconnected, interdependent lives. LET’S DO THIS TOGETHER.

And for more, see our next series, outcasts.

 

Filed Under: News, Vineyard

NYT: “From Good Wine, a Direct Path to the Wonders of Nature”

July 23, 2020 Posted by Mimi

In this beautiful and heartfelt piece, Eric Asimov perfectly captures how our interactions with food, especially wine, can inspire and move us toward a new relationship with the natural world.

Read in the New York Times (Subscription Required)

Mimi Mentioned in NYT Article
Graphic: Brian Britigan

Filed Under: News

Mimi interviewed by Levi Dalton on “I’ll Drink to That!”

February 6, 2020 Posted by Mimi

Levi Dalton

LISTEN NOW – Airdate: July 10, 2019

The latest episode of Levi Dalton’s “I’ll Drink to That!” podcast was released this week, and it features owner and winegrower Mimi Casteel.  “Mimi sees a through line between viticulture as agriculture, and agriculture as an engagement with the natural world. How do you see that line? After listening to Mimi Casteel, your perspective might well change.”

Filed Under: News, Vineyard

Tractor Time Podcast: Mimi Casteel on Regenerative Wine

February 5, 2020 Posted by Mimi

Dear Friends, 

A long time ago my dear friend Mark Sturges introduced me to the Acres Conference, and ever since it has been a yearly pilgrimage to connect with and be inspired by others working in holistic farming systems. I had the great honor of sitting down with the delightful host of the Acres podcast, Tractor Time, at the 2019 conference, and spending an hour talking about the mission and work at Hope Well, along with other spicy topics. For me this was a huge privilege, as this conference and the organization represent a major source of education and inspiration in my journey.

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Mimi Casteel overlooking her vineyard.

On this episode, we welcome Mimi Casteel, a wine maker in Oregon’s Eola-Amity Hills. At Hope Well Vineyard, Casteel is blazing her own trail and fast becoming one of the leading voices in the regenerative agriculture movement. Mimi talks eloquently and brilliantly — not just about wine, but agriculture and land use in general. As you’ll hear, her beyond-organic farm is singular within the American wine world. It’s not your typical vineyard, with its neat and tidy rows. It’s a dynamic ecosystem that incorporates livestock, welcomes in wild animals, eschews industrial inputs and produces prized pinot noirs. And for this work, Mimi was recently named the Wine Person of the Year by Imbibe Magazine.

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Mimi Casteel: Imbibe 75 2020 Wine Person of the Year

January 22, 2020 Posted by Mimi

Mimi Casteel, walking among the vines at Hope Well vineyard.

The attention and interest in regenerative agriculture over the last year has been nothing short of dizzying. I am grateful, and hopeful that the light that shines on the movement now will guide and protect the mission as we move into a new and critical decade. – Mimi Casteel

“Mimi Casteel is our Imbibe 75 2020 Wine Person of the Year.  Mimi Casteel makes wine—very good wine—under her Hope Well label. The wine is an enjoyable byproduct of a much larger experiment undertaken by Casteel. Using methods of regenerative agriculture, she aims to demonstrate that farming can be done in a way that not only improves the land, but even reverses the effects of climate change.” Read the article.

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