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Research and Field Notes — Page 7

ESA launches new OA journal with the Ecological Society of China

Ecosystem Health and Sustainability showcases applications of ecological science in support of sustainable development during an era of extensive and accelerating human and environmental change. Today, the Ecological Society of America (ESA) and the Ecological Society of China (ESC) jointly launch a new open access scholarly research journal to foster communication of applied ecological research across national and disciplinary boundaries….

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Homogenized bare soil surrounds a wellhead on a typical natural gas well pad that has been prepared for interim reclamation. Credit, Tamera Minnick.

Islands of fertility in the sagebrush sea

Sagebrush ecosystem recovery appears to be hobbled by loss of soil complexity when topsoil is remixed at oil and gas development sites, losing the “islands of fertility” associated with mature shrubs. Related news stories: “Sage Advice: Couple’s research plants seeds for reclamation of sagebrush.” Dennis Webb. The Grand Junction Daily Sentinel, Monday, February 2, 2015. “State should improve reclamation process.” Editorial. The…

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An elementary school student imagines a food chain. Chris Buddle.

What are the big ecological innovations of the last century? #ESA100

In December 2015, the Ecological Society of America will celebrate a big birthday: 100 years since the first group of botanists and zoologists, parasitologists, geologists, physiologists, and marine biologists gathered in Columbus, Ohio, to unite their shared interest in the relationships of the great diversity of living organisms to each other and their surroundings. To kick off our centennial year,…

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When polar bears (Ursus maritimus) meet glaucous gulls (Larus hyperboreaus) over the remains of a bowhead whale (Balaena mysticetus), they may be sharing more than a meal. As the warming climate brings animals into new proximity, parasites, viruses, and bacteria can find opportunities to spread to new and naïve hosts, sometimes jumping from birds to mammals, and from marine ecosystems to land ecosystems. Photo credit, USGS.

New diseases travel on the wings of birds in a rapidly changing north

When wild birds are a big part of your diet, opening a freshly shot bird to find worms squirming around under the skin is a disconcerting sight. That was exactly what Victoria Kotongan saw in October, 2012, when she set to cleaning two of four spruce grouse (Falcipennis canadensis) she had taken near her home in Unalakleet, on the northwest…

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Onja Razafindratsima, a graduate student at Rice University, observes a lemur in a Madagascar rainforest. Razafindratsima led a three-year study to explore the relationship between lemurs and trees. Lemurs eat the fruit and spread its seeds far from the parent tree. Credit, Onja Razafindratsima/Rice University.

Madagascar team tracks lemurs as they spread the seeds of the rainforest

On the island nation of Madagascar, the long-limbed local primates, lemurs, are for some trees, essential helpers. It is advantageous for a tree to scatter its progeny not just to the wind and widely, but where they will find fertile ground and clement conditions for growth. Some trees recruit animals for this task by tempting them with delicious and nutritious…

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A Japanese seaweed gains a holds on a mudflat in Charleston Harbor, S.C., by clinging to tube-building decorator worms (Diopatra cuprea) rooted firmly in the mud. The invasive Gracilaria vermiculophylla seaweed provides shelter for a small native crustacean. Credit, Erik Sorka.

Invasive seaweed shelters tiny native critters on Georgia mudflats

On the tidal mudflats of Georgia and South Carolina, the red Japanese seaweed Gracilaria vermiculophylla is gaining a foothold where no native seaweeds live. Only debris and straggles of dead marsh grass used to break the expanse of mud at low tide. Crabs, shrimp, and small crustaceans mob the seaweed in abundance. What makes it so popular? Not its food…

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The tall, mature trees of a late-succession forest (right) stand next to the young regrowth of a clear-cut forest in central Pennsylvania. The deeper volume of organic matter on the floor of a mature forest can capture more of the nutrient nitrogen when it enters the forest than the clear-cut can. Credit, David Lewis.

Old forests store new nitrogen–and may soak up nutrient excesses

Ecologists working in central Pennsylvania forests have found that forest top soils capture and stabilize the powerful fertilizer nitrogen quickly, within days, but release it slowly, over years to decades. The discrepancy in rates means that nitrogen can build up in soils, David Lewis, Michael Castellano, and Jason Kaye report in the October 2014 issue of ESA’s journal Ecology, published…

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Volunteer ‘eyes on the skies’ track peregrine falcon recovery in California

Datasets from long-running volunteer survey programs, calibrated with data from sporadic intensive monitoring efforts, have allowed ecologists to track the recovery of peregrine falcons in California and evaluate the effectiveness of a predictive model popular in the management of threatened species. In recovery from the deadly legacy of DDT, American peregrine falcons (Falco peregrinus anatum) faced new uncertainty in 1992,…

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Pika sketch by biological illustrator, Jennifer Landin

Pikas on Ice

Another fine guest post from Holly Menninger and the ESA2014 EcoCommCrew: Adorable and fuzzy, American pikas have become the spokes-critter for the consequences of climate change in alpine areas. Pika sketch by biological illustrator, Jennifer Landin.

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