Results 81 to 90 of about 4,113,485 (269)

Does salinity make a difference—Kidney anatomy of Saimaa (Pusa saimensis) and Baltic ringed seals (Pusa hispida botnica)

open access: yesThe Anatomical Record, EarlyView.
Abstract As habitat salinity markedly differs between the endangered, freshwater‐dwelling Saimaa ringed seal (Pusa saimensis Nordquist, 1899) and the brackish water‐inhabiting Baltic ringed seal (Pusa hispida botnica Gmelin, 1788), we investigated whether this difference has resulted in morphological changes to their kidneys.
Heini Nihtilä, Juha Laakkonen
wiley   +1 more source

Exploring the limits of saving a subspecies: The ethics and social dynamics of restoring northern white rhinos (Ceratotherium simum cottoni)

open access: yesConservation Science and Practice, 2020
The northern white rhino (Ceratotherium simum cottoni) is functionally extinct with only two females left alive. However, cryopreserved material from a number of individuals represents the potential to produce additional individuals using advanced ...
Oliver A. Ryder   +6 more
doaj   +1 more source

Modeling with the Crowd: Optimizing the Human-Machine Partnership with Zooniverse

open access: yes, 2019
LSST and Euclid must address the daunting challenge of analyzing the unprecedented volumes of imaging and spectroscopic data that these next-generation instruments will generate. A promising approach to overcoming this challenge involves rapid, automatic
Beck, Melanie   +4 more
core   +1 more source

Long‐Distance, Transfrontier Carnivore Dispersals in Southern Africa

open access: yesEcology and Evolution
Information on long‐range dispersal in tropical carnivores is limited compared to their temperate counterparts. Here we present data on long‐range, transboundary dispersals for three species of tropical carnivores: African wild dog (Lycaon pictus ...
Piet Beytell   +3 more
doaj   +1 more source

21st-century scholarship and Wikipedia [PDF]

open access: yes, 2012
Wikipedia, the world’s fifth most-used Web site, is a good illustration of the growing credibility of online resources. In his article in Ariadne earlier this year, “Wikipedia: Reflections on Use and Academic Acceptance”, Brian Whalley described the ...
Thomas, Amber
core  

Hydrological Models as Web Services: An Implementation using OGC Standards

open access: yes, 2012
Presentation for the HIC 2012 - 10th International Conference on Hydroinformatics. "Understanding Changing Climate and Environment and Finding Solutions" Hamburg, Germany July 14-18, 2012  
Buytaert, W, Reusser, D, Vitolo, C
core   +2 more sources

Making Noah’s Ark Work for Fishing Cat Conservation: A Blueprint for Connecting Populations across an Interactive Wild Ex Situ Spectrum

open access: yesAnimals
The One Plan Approach advocates for a hybrid species management framework, wherein captive-bred populations are considered metapopulations nested within a broader network of zoos and wild populations Additionally, the Opportunities to Thrive framework ...
Tiasa Adhya   +6 more
doaj   +1 more source

Unveiling the nature of the "Green Pea" galaxies

open access: yes, 2011
We review recent results on the oxygen and nitrogen chemical abundances in extremely compact, low-mass starburst galaxies at redshifts between 0.1-0.3 recently named to as "Green Pea" galaxies.
C Cardamone   +25 more
core   +1 more source

Why we age

open access: yesBiological Reviews, EarlyView.
ABSTRACT Three categories of explanations exist for why we age: mechanistic theories, which omit reference to evolutionary forces; weakening force of selection theories, which posit that barriers exist that prevent evolutionary forces from optimising fitness in ageing; and optimisation theories, which posit that evolutionary forces actually select for ...
Michael S. Ringel
wiley   +1 more source

Potential Impact of Construction Noise on Selected Zoo Animals

open access: yesAnimals, 2019
Simple Summary Animals in zoos can adapt to many noises they hear on a regular basis. However, construction noise that is intense or occurs unpredictably may negatively impact the welfare state of some animals and induce a chronic stress response.
R. Jakob-Hoff   +8 more
semanticscholar   +1 more source

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