Results 101 to 110 of about 19,213 (228)

Sea-level rise causes feeding habitat loss for migratory shorebirds in remote coastal wetlands of Brazilian Amazon

open access: yesEnvironmental Research Letters
Sea-level rise (SLR) can cause significant changes in coastal wetlands, such as the retreat of coastlines and sedimentary shifts in tidal flats. In areas lacking coastal defenses, rising sea levels are expected to drive the inland migration of coastal ...
Carlos D Santos   +6 more
doaj   +1 more source

Once and Future Gulf of Mexico Ecosystem: Restoration Recommendations of an Expert Working Group [PDF]

open access: yes, 2011
The Deepwater Horizon (DWH) well blowout released more petroleum hydrocarbons into the marine environment than any previous U.S. oil spill (4.9 million barrels), fouling marine life, damaging deep sea and shoreline habitats and causing closures of ...
Charles H. Peterson   +17 more
core  

"The Economic Value of Viewing Migratory Shorebirds on the Delaware Bay: An Application of the Single Site Travel Cost Model Using On-Site Data" [PDF]

open access: yes
Using data from an on-site survey of recreational birders in southern Delaware during the annual horseshoe crab/shorebird spring migration, we estimated four truncated count data models of recreation demand accounting for endogenous stratification due to
George R. Parsons   +2 more
core  

Assessment of the wintering area of Red Knots in Maranhão, northern Brazil, in February 2005 [PDF]

open access: yes, 2005
To assess population size and the conservation status of the Red Knot Calidris canutus rufa population in Maranhão, N Brazil, an aerial census and field studies were conducted in February 2005.
Baker,Allan J.   +8 more
core  

Birds of the North Gulf Coast - Prince William Sound Region, Alaska [PDF]

open access: yes, 1973
The North Gulf Coast - Prince William Sound region of Alaska, phytographically, lies at the northern limit of the Sitka Spruce-hemlock coastal/subalpine forests of the Pacific Coast; it includes approximately 178,500 km2 and a shoreline of approximately ...
Isleib, M. E., Kessel, Brina
core  

Measuring the Recreational Use Value of Migratory Shorebirds on the Delaware Bay [PDF]

open access: yes
In this article we estimate the recreational use value of household trips to view shorebirds during the annual horseshoe crab/shorebird migration on the Delaware Bay. We use contingent valuation to estimate the value of day and overnight trips separately
Edwards, Peter E.T.   +2 more
core   +1 more source

A Forest of Blue - Canada's Boreal Forest, the World's Waterkeeper [PDF]

open access: yes, 2011
Describes how the lakes, rivers, and wetlands comprising the boreal forest preserve biodiversity, mitigate global climate change effects, and offer food and cultural benefits to rural communities.

core  

Prosomal-width-to-weight relationships in American horseshoe crabs (Limulus polyphemus): examining conversion factors used to estimate landings [PDF]

open access: yes, 2009
Horseshoe crabs (Limulus polyphemus) are valued by many stakeholders, including the commercial fishing industry, biomedical companies, and environmental interest groups.
Botton, Mark L.   +4 more
core  

Do tissue carbon and nitrogen limit population growth of weevils introduced to control waterhyacinth at a site in the Sacramento-San Joaquin Delta, California? [PDF]

open access: yes, 2004
Waterhyacinth (Eichhornia crassipes(Mart.) Solms), is a serious problem in the Sacramento Delta. Two weevil species (Neochetina bruchi Hustache and N. eichhorniae Warner) have been introduced as biological control agents. The purpose of this study was
Ksander, Gregory G., Spencer, David F.
core  

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