ESA Providing Peer-to-peer Resources During COVID-19 Disruption
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Start or renew your 2020 membership in the world's largest community of ecologists today to get the most out of your benefits and opportunities to save!
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Upcoming Webinars
ESA is proud to present these sessions on key concepts in the science and practice of ecology. Our next sessions include the Nagoya Protocol and harnessing private foundation funding!
Read moreJournals & Publications
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Frontiers in Ecology and the Environment
Land-use change is threatening the ecologically important migrations of ungulate populations worldwide, including those of ungulates in the Greater Yellowstone Ecosystem. In the March issue of Frontiers, Middleton et al. outline how migration mapping, inter-agency coordination, and increased stewardship on private lands can advance conservation efforts for these species.
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Ecology
In an increasingly ice-free ecosystem, a subpopulation of polar bears has adapted by developing a divergent movement strategy where some bears move to land in the summer months. In the March issue of Ecology, Pagano et al. show that these polar bears appear to energetically benefit from increased summer land use, while polar bears that remain on the diminishing summer pack ice appear to be energetically challenged due to increased sea ice retreat.
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Ecosphere
Plague is a disease that impacts the survival of numerous species of mammals across the western U.S., and there are concerns that northern Idaho ground squirrels and the other small mammals associated with them may be affected. In the February issue of Ecosphere, Goldberg et al. report on efforts to count and identify flea species, the main vector of plague, found on four small mammals to better understand the factors that impact flea abundance, the potential for plague transmission, and the likelihood of plague intensity.
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Ecological Applications
In the March issue of Ecological Applications, Smith et al. demonstrate that integration of livestock into diversified produce production can support more native birds in intensified landscapes. However, this comes at the cost of bolstering nonnative species. Conversely, farms that grow crops alone are most effective at supporting birds in landscapes with more natural habitat.
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Ecological Monographs
Bumble bees can forage in adverse weather conditions, comprising an important group of pollinators in temperate zones. This social bee forages for pollen and/or nectar from a large variety of flowers in order to cover its nutritional needs. However, floral nectar is strongly populated by microbes such as yeasts, and these microbes might change nectar quality, affecting pollinator reward and impacting foraging decisions and the fitness of the insect consumer, as reported by Pozo et al. in the February issue.
Career Opportunities
- US EPA: Director March 17, 2020
- Colorado State Forest Service: Associate Director of Forestry Services March 13, 2020
- Center for Environmental Management of Military Lands: Plant Genetic Conservation Specialist - Hilo, HI March 12, 2020
- UMCES App Lab: Postdoctoral Scholars -TWO positions in Indonesian Peatlands Research - Remote Sensing and Hydrology March 11, 2020
- Desert Research Institute: Executive Director for the Division of Earth and Ecosystem Sciences March 10, 2020