Results 51 to 60 of about 2,182 (164)

Consequences of life history switch point plasticity for juvenile morphology and locomotion in the Túngara frog [PDF]

open access: yes, 2015
Many animals with complex life cycles can cope with environmental uncertainty by altering the timing of life history switch points through plasticity. Pond hydroperiod has important consequences for the fitness of aquatic organisms and many taxa alter ...
Charbonnier, Julie, Vonesh, James R.
core   +5 more sources

The web - based tool for identification of amphibian and reptiles presented in three western provinces of South - Eastern region, Vietnam [PDF]

open access: yes, 2014
Based on checklist, the keys to the identification updating with the new name of species according to Sang Nguyen Van et al author of the book “Herpetofauna of Vietnam” publisher Chimaira published in 2009 and the biological and ecological data of 120 ...
Hoa, Pham Van, Quan, ThaiKe
core   +1 more source

The central-marginal hypothesis in acridid Orthoptera: a critique of Colombo's (2012) article [PDF]

open access: yes, 2013
We discuss and criticise the contention of Colombo (2012) that the central-marginal model does not apply to three species of chromosomally polymorphic acridid grasshoppers, and that chromosomal clines in these species are a consequence of temperature ...
Bidau, Claudio Juan, Marti, Dardo Andrea
core   +1 more source

Historical and Archaeological Investigations at the Site of Rivercenter Mall (Las Tiendas), San Antonio, Texas [PDF]

open access: yes, 1999
From October 1984 to July 1985, the Center for Archaeological Research of The University of Texas at San Antonio conducted testing and mitigation on a three-block area intended to become a shopping center in downtown San Antonio.
Fox, Anne A., Renner, Marcie
core   +2 more sources

Reproductive Phenophases and Clutch Characteristics of Selected Arkansas Amphibians [PDF]

open access: yes, 1990
Seasonal reproductive phenomena in 13 species of salamanders and 16 species of anurans from Arkansas were investigated. Most specimens were collected during a span of 6 years (1985-1990). Clutch characteristics, including mensural and meristic data, were
Butterfield, Brian P.   +4 more
core   +1 more source

Update on the ecology and conservation of the endangered and umbrella species: Pelobates varaldii [PDF]

open access: yes, 2016
El sapo de espuelas marroquí Pelobates varaldii es un endemismo de las llanuras atlánticas del noroeste de Marruecos que cría en charcas temporales de largo hidroperíodo.
Hinckley, Arlo   +3 more
core  

Species assignment in the pelophylax ridibundus x P. perezi hybridogenetic complex based on 16 newly characterised microsatellite markers [PDF]

open access: yes, 2016
Pelophylax perezi is an Iberian green waterfrog with high tolerance to habitat alteration that at times shows local population growth and demographic expansion, even where other species decline.
Gutiérrez-Rodríguez, Jorge   +4 more
core   +1 more source

Rare and Endangered Vetebrates of Ohio [PDF]

open access: yes, 1973
Author Institution: U.S. Soil Conservation Service; Introductory Biology Program, The Ohio State University; School of Natural Resources, The Ohio State University; and Division of Wildlife, Ohio Department of Natural ResourcesThis paper, an annotated ...
Burnard, R. K.   +3 more
core  

An Experimental Test of Buffer Utility as a Technique for Managing Pool-Breeding Amphibians [PDF]

open access: yes, 2015
Vegetated buffers are used extensively to manage wetland-dependent wildlife. Despite widespread application, buffer utility has not been experimentally validated for most species.
Babbitt, Kimberly J.   +1 more
core   +4 more sources

Regional climate change impacts on wild animals' living territory in Central Europe [PDF]

open access: yes, 2012
In this paper the projected future impact of climate change has been analyzed for the quality of living conditions of the European terrestrial vertebrates (amphibians, reptiles, birds, mammals) in the Carpathian Basin.
Bartholy, J.   +4 more
core   +1 more source

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