29
Sep
Study Shows Climate Change Threatens Soil Organisms Essential to Life
(Beyond Pesticides, September 29, 2017) Protect polar bears and “big charismatic wildlife!â€Â But do not ignore the microscopic organisms essential to ecological
sustainability. That is the take from a new study at University of California Berkeley, which, for the first time, links global climate change to the loss of a “shockingly high†number of critical microbial species essential to ecological systems, biodiversity, and organic land management.
Other studies link chemical-intensive agriculture, and its reliance on petroleum-based substances, to adverse effects on soil organisms and insects and birds essential to ecological balance, while indicating the importance of organic management practices in protecting biodiversity and curtailing global climate change.
As stated in the study, “Models predict that up to 30% of parasitic worms are committed to extinction, driven by a combination of direct and indirect pressures.â€Â Furthermore, for those species “successfully tracking climate change,†the search for food and water, in once unavailable habitat, will cause them to “invade†and to “replace†native plants and animals with “unpredictable ecological consequences.â€
Lead author of the study, Ph.D. candidate Colin Carlson, states that for symbiotic parasites, those with numerous beneficial roles, “a loss of suitable habitat†comes as a result of “host-driven coextinctions.†In an interview with Democracy Now, Mr. Carlson spells it out plainly, saying, “For parasitic species, because they’re dependent on wildlife and because wildlife are already threatened at such a high rate, what we think is going to happen is a pretty high across-the-board extinction rate.â€Â The implications of such ecological disturbances could be truly catastrophic for the human and other species which rely on thriving soils for survival.
“How could the scope of these coexstinctions go unnoticed?â€
Quite simply: Among humanity’s increasingly sanitized and suburbanized existence, many beneficial insects are still only viewed as pests and eradicated as such. As stated in the study, “Climate change is a well-documented driver of both wildlife extinction and disease emergence, but the negative impacts of climate change on parasite diversity are undocumented.â€Â As Mr. Carlson discloses, “Previous [extinction research] has focused nearly exclusively on free-living biodiversity (especially vertebrates),†while “many important functional… [parasitic] groups remain undescribed or are only now being included.â€
Elizabeth Kolbert, author of the Pulitzer Prize-winning book “The Sixth Extinction: An Unnatural History,†explains in her writing that in a mass extinction event, “[We] would expect very elevated extinction rates, [ ] across [ ] virtually all groups, including our friends, the parasites.â€Â Ms. Kolbert continues, “When [we’re] messing around with the very tiny world that we’re not really paying a lot of attention to†– the microbial world beneath our feet, streets and tractors –“[we] can get some really, really big impacts that [we] didn’t anticipate…in part because [we] didn’t even know what was going on.â€
Throughout the history of chemical-intensive agriculture, factory farms have failed to recognize the soil as the living superorganism, supporting plant life as part of an ecological community. To quote Jenny Hopkinson, author of the article Can American soil be brought back to life? – “For generations, soil has been treated almost as a backdrop —not much more than a medium for holding plants while fertilizer and herbicides help them grow. The result, over the years, has been poorer and drier topsoil that doesn’t hold on to nutrients or water.†Consequently, these microbial species “facing extinction and redistribution†have been living under stress as a result of the human species’ relentless disregard for their wellbeing.
“Why are all these microbes and parasites so important?â€
Geologist David Montgomery,Ph.D. explains how microbial life is in fact “very nutrient rich—rich in nitrogen, rich in phosphorus, and rich in the micronutrients that all life forms need.†Citing “a biological bazaar,†Dr. Montgomery states that farmland without a vibrant microbial network does not have soil. It has “dead dirt.â€
To achieve “incredibly rich, dark, fertile soil,†in which microbes, bacteria, and fungi thrive, Dr. Montgomery recommends that farmers and gardeners actively accrue and apply “organic matter†–what used to be living matter (e.g., leaves, mulch, compost) – in whatever form they can find. This process of soil restoration, says Dr. Montgomery, nourishes the rhizosphere, or “that zone around the root system of a plant that is incredibly rich with life,†and is, he concludes: “one of the most life-dense zones on the planet.â€
Describing the significance of Earth’s microbial-motherboard, Dr. Montgomery states, “When nematodes and microarthropods can graze on and consume these smaller creatures, which [are] then being consumed by larger creatures,†what results is the depositing of soil nutrients “that can be fairly good fertilizer.â€Â Moreover, says Dr. Montgomery, these microbes, or “tiny grazing animals,†if fed and cultivated, are in every sense “manuring the soil from the inside out.â€
However, as was mentioned in Climate Change Consequences and the Organic Response for those committed to chemical intensive practices, “problems which are rooted in the soil are now being attributed to lack of synthetic fertilizer, insufficient genetically modified food crop varieties, and lack of pesticide availability.â€
Due to increased reliance on chemical cure-alls, conventionally farmed topsoil in the U.S. is experiencing a grave reduction in organic matter and, more broadly, therefore, losing its ability to retain water and the essential nutrients which sustain the broad range of parasitic partners.
Increasing soil organic matter for the soil’s carbon bank is a principle goal of organic agriculture. Organic agriculture relies on the carbon bank and stimulated soil microbial communities to increase soil fertility, improve plant health, and support competitive crop yields. This approach utilizes the natural carbon cycle to eliminate “the use of purchased synthetic inputs, increase energy resource efficiency, improve economic returns for farmers, and reduce toxic effects of fertilizers and pesticides on human health and the environment.â€
Buying local-organic is the best approach to eliminate the application of toxic chemicals because their direct affect on soil biology and because of the contribution that the toxic chemical use makes to climate change. (Talk to the farmers in your neck of the woods!) To restore soil health and preserve the microbes and parasites under threat, talk to your neighbors and elected officials about stopping toxic pesticide use, the importance of organic land management, restoration of riparian buffers along your nearby lakes and streams, and the use of hedgerows as integral to land management. All of this contributes significantly to carbon sequestration and ultimately is critical to stopping the escalating rate of climate change. Start a community garden, or food scrap compost station. See what you can do to nurture the soil in your own backyard. In the words of author and nature writer Barry Lopez, “Go local. Go deep.â€
All unattributed positions and opinions in this piece are those of Beyond Pesticides.
Source:Â Parasite biodiversity faces extinction and redistribution in a changing climate










new research
feasibility of electronic disclosures as a means of providing consumers with information on genetically engineered (GE) food ingredients. The study, which should have been published in July 2017 by law, confirms concerns held by many that “electronic and digital disclosures†(QR codes) will pose technological challenges for consumers, limiting access to food information. The study was required by the 2016 Federal Bioengineered Food Disclosure Standards Act (the “
controversy is coming to a head on allowing hydroponics to be certified organic. Contrary to prior recommendations of the NOSB, the National Organic Program has allowed some hydroponics operations to be certified. The NOSB will consider motions at this meeting that could stop this practice.
program, led by the Washoe Tribal Environmental Protection Department (WEPD), is being conducted with the Washington, DC-based organization Beyond Pesticides and Goat Green LLC., a goat grazing company based in Wyoming.
Department of Pesticide Regulation (DPR) decision to approve additional uses for two bee-killing pesticides without disclosing the impact on honeybees.
reaching its conclusion that glyphosate (Roundup) is “unlikely to pose a carcinogenic hazard to humans,†according to recent report in
soil on conventional chemical-intensive farms, according to a study conducted by researchers from Northeastern University and The Organic Center. The continuing effects of climate change necessitate a robust approach to both limiting and reducing carbon in the earth’s atmosphere. As the study shows, a wholesale transition from conventional to organic farming could play an important part in mitigating the effects of a warming planet.
–since the administrator of EPA refused to take the action agency scientists said is necessary to protect children.
according to reports from
autism spectrum disorder (ASD) even when their mothers were exposed to household or agricultural pesticides. Researchers at the University of California, Davis found that taking folic acid during the window around conception, reduced the risk of pesticide-induced autism.
from western North America have declined far more dramatically than was previously known and face a greater risk of extinction – 86 percent in the next 50 years. The researchers do not know the exact cause but identify habitat loss and widespread pesticide use as likely culprits.
exposed to 123 pesticide residues in their daily lunches. The results call attention to the health and safety implications of pesticide exposure to children, which have developing body systems more sensitive to pesticide exposure. PAN-UK and other health groups are calling for a wholesale changeover to serving onlyorganic fruits and vegetables in schools.
The ice cream brand says its social mission “seeks to meet human needs and eliminate the injustices in our local, national and international communities,†and that its focus is “on children and families, the environment and sustainable agriculture on family farms.â€
Wetlands improve water quality, sequester carbon, remove or neutralize pollutants, control flooding, protect adjacent areas from erosion, and host a multitude of beneficial plant and animal species — not to mention their recreational and aesthetic value.As recently reported inÂ
genetically engineered (GE) food,
demographic groups, including those in farming. People working in the transportation sector registered the highest incidence of diagnosed diabetes at 10.6%. But those working as farmers and fishermen came in second, with 8.5% reporting a diagnosis of the disease.
(Beyond Pesticides, September 5, 2017) The bog copper butterfly (Lycaena epixante) is a member of the second largest family of butterflies, Lycaenidae, which includes over 4,700 species worldwide. Also known as the cranberry-bog copper butterfly, the species has strong biological ties to cranberry plants and its associated habitat.
(Beyond Pesticides, September 1, 2017)Â
agricultural areas increases the risk of giving birth to a baby with abnormalities. These results are more significant for those exposed to very high levels of pesticides, underscoring the continued risks faced by farmworkers and farmworker families, especially mothers living near chemically-intensive treated fields.
pesticides from the market, according to a study recently published by
Environmental Protection Agency (EPA) for pregnant women. Chlorpyrifos is linked to low IQs, autism and other developmental neurological effects. Earlier this year, EPA Administrator Scott Pruitt refused to ban chlorpyrifos to the dismay of many scientists, medical professionals, and farmworker organizations.
