Results 81 to 90 of about 9,442 (197)

Fall Field Report, August–November 2015 [PDF]

open access: yes, 2015
To start, a housekeeping item: in the species accounts that follow, whenever I use the term migrant I am referring to fall migration only. Many species, of course, have differing migration strategies and timing in spring and fall. Much of the data used
Silcock, W. Ross
core   +1 more source

A Tool for Rapid Assessment of Hydrological Connectivity Patterns in Texas Coastal Wetlands: Linkages between Tidal Creeks and Coastal Ponds

open access: yesTexas Water Journal, 2019
Coastal salt marshes are heterogeneous, spatially complex ecosystems. The degree of hydrological connectivity in these systems can be a significant driver in the flux of energy, organisms, and nutrients across the marsh landscape.
Todd Swannack   +3 more
doaj  

MULTIDISCIPLINARY APPROACH TO UNDERSTANDING THE POOR REPRODUCTION IN THE WHOOPING CRANE (GRUS AMERICANA) [PDF]

open access: yes, 2013
Reproductive success of the endangered whooping crane (Grus americana) maintained ex situ is suboptimal. The main goals of this multidisciplinary investigation are to advance the understanding of whooping crane reproduction and identify potential causes ...
Brown, Megan Elizabeth
core  

Determination of Critical Habitat for the Whooping Crane [PDF]

open access: yes, 1978
The Service determines Critical Habitat for the whooping crane (Grus americana). an Endangered species, in the States of Colorado, Idaho, Kansas, Nebraska, New Mexico, Oklahoma, and Texas.

core   +1 more source

Islands of Grass by Trevor Herriot and The Long Walk by Jan Zwicky [PDF]

open access: yes, 2018
Review of Trevor Herriot\u27s Islands of Grass and Jan Zwicky\u27s The Long ...
harding-russell, gillian
core   +1 more source

Conservation of the Lion: Preventing an Africa without the African Lion [PDF]

open access: yes, 2018
The African lion (Panthera leo) population is diminishing rapidly, approximately 43 percent since 1993. The species is currently listed as vulnerable by the International Union for Conservation of Nature (IUCN).
Kamyk, Courtney
core   +2 more sources

Bays in Peril: A Forecast for Freshwater Flows to Texas Estuaries [PDF]

open access: yes, 2004
Takes a look at increasing water demands in Texas, and what would happen to the inflows to the seven major estuaries if existing water permits were fully used and wastewater reuse increased.
Norman D. Johns
core  

AN EVALUATION OF THREE AREAS FOR POTENTIAL POPULATONS OF WHOOPING CRANES [PDF]

open access: yes, 1992
Sandhill crane (Grus canadensis) populations were evaluated on the Seney NWR, Michigan, the Okefenokee Swamp, Georgia, and in southcentral Florida to evaluate their suitability to support introduced whooping cranes (G. americana).
Bennett, Alan J.   +4 more
core   +1 more source

POPULATION RECOVERY OF THE WHOOPING CRANE WITH EMPHASIS ON REINTRODUCTION EFFORTS: PAST AND FUTURE [PDF]

open access: yes, 1992
The U.S. Fish and Wildlife Service (USFWS) began building a captive whooping crane (Grus americana) colony at Patuxent Wildlife Research Center (patuxent), Maryland, in 1966.
Ellis, David H.   +3 more
core   +1 more source

WHOOPING CRANE HABITAT ALTERATION ANALYSIS AT ARANSAS NATIONAL WILDLIFE REFUGE, TEXAS [PDF]

open access: yes, 1992
Aquatic, wetland, and upland habitat changes were quantified within the approximate critical habitat of the endangered whooping crane (Grus americana) along the Gulf Intracoastal Waterway (GIWW) through Aransas National Wildlife Refuge and San Antonio ...
Medina, Richard, Sherrod, C. Lee
core   +1 more source

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