Results 1 to 10 of about 316,543 (112)

Developmental and reproductive costs of osmoregulation to an aquatic insect that is a key food resource to shorebirds at salt lakes threatened by rising salinity and desiccation

open access: yesFrontiers in Ecology and Evolution, 2023
Saline lakes worldwide are undergoing drying, and as lake levels fall and areas contract, salinities increase. There is a critical need for data on salinity impacts to guide conservation for recovery of the aquatic productivity that supports migratory ...
David B. Herbst, David B. Herbst
doaj   +1 more source

Field courses narrow demographic achievement gaps in ecology and evolutionary biology

open access: yesEcology and Evolution, 2020
Disparities remain in the representation of marginalized students in STEM. Classroom‐based experiential learning opportunities can increase student confidence and academic success; however, the effectiveness of extending learning to outdoor settings is ...
Roxanne S. Beltran   +5 more
doaj   +1 more source

The sequel to COVID-19: the antithesis to life

open access: yesJournal of Ideas in Health, 2020
The pandemic of COVID-19 has afflicted every individual and has initiated a cascade of directly or indirectly involved events in precipitating mental health issues.
Sudhir Bhandari   +7 more
doaj   +1 more source

Reductions in the dietary niche of southern sea otters (Enhydra lutris nereis) from the Holocene to the Anthropocene. [PDF]

open access: yes, 2020
The sea otter (Enhydra lutris) is a marine mammal hunted to near extinction during the 1800s. Despite their well-known modern importance as a keystone species, we know little about historical sea otter ecology.
Elliott Smith, Emma A   +7 more
core   +1 more source

Seasonal priority effects: Implications for invasion and restoration in California coastal sage scrub [PDF]

open access: yes, 2010
Competition from exotic annual grasses (EAGs) threatens native plant communities in California. Coastal sage scrub communities have substantially diminished in area over the last century, in some instances by greater than 90%, while EAGs continue to ...
Claire E. Wainwright, Elsa E. Cleland
core   +2 more sources

Post-fire evolution of ravel transport regimes in the Diablo Range, CA [PDF]

open access: yesEarth Surface Dynamics
Post-fire changes to the transport regime of dry ravel, which describes the gravity-driven transport of individual particles downslope, are poorly constrained but critical to understand as ravel may contribute to elevated sediment fluxes and associated ...
H. L. Jacobson   +6 more
doaj   +1 more source

Population size of Island loggerhead shrikes on Santa Rosa and Santa Cruz Islands

open access: yesWildlife Society Bulletin, 2012
Island loggerhead shrikes (Lanius ludovicianus anthonyi) are an endemic, genetically distinct subspecies of loggerhead shrike on California's Santa Rosa, Santa Cruz, and Santa Catalina Islands (USA).
Thomas R. Stanley   +4 more
doaj   +1 more source

Impacts of variable renewable energy on wholesale markets and generating assets in the United States: A review of expectations and evidence [PDF]

open access: yes, 2020
We synthesize available literature, data, and analysis on the degree to which growth in variable renewable energy (VRE) has impacted or might in the future impact bulk power system assets, pricing, and costs in the United States.
Botterud, A   +4 more
core  

Forest structure, stand composition, and climate-growth response in montane forests of Jiuzhaigou National Nature Reserve, China. [PDF]

open access: yes, 2013
Montane forests of western China provide an opportunity to establish baseline studies for climate change. The region is being impacted by climate change, air pollution, and significant human impacts from tourism.
Dolanc, Christopher R   +6 more
core   +2 more sources

Priority questions for biodiversity conservation in the Mediterranean biome: Heterogeneous perspectives across continents and stakeholders

open access: yesConservation Science and Practice, 2019
The identification of research questions with high relevance for biodiversity conservation is an important step towards designing more effective policies and management actions, and to better allocate funding among alternative conservation options ...
Francisco Moreira   +26 more
doaj   +1 more source

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