Results 71 to 80 of about 519,530 (231)
Proposal of a non-lethal visual census method to estimate freshwater stingray abundance
Universitas Scientiarum, 2016 There is not a current method to estimate South American freshwater stingray’s abundance. Therefore we designed a census method and tested it in the field.
Mónica Andrea Morales-Betancourt +1 more
doaj +1 more source
Which attributes of restored oyster reefs provide the best habitat for sportfish?
Restoration Ecology, Volume 34, Issue 7, September 2026.Abstract Introduction Restoration practitioners seek to restore oyster ecosystems as habitat designed for species targeted by recreational fisheries, but they require information on which specific habitat parameters of oyster reefs are preferred by fish.
Matthew S. Kendall +6 more
wiley +1 more source
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 8, August 2026.ABSTRACT Overfishing of elasmobranchs is a major conservation concern, with large proportions of elasmobranch fishing mortality attributable to incidental catch in small‐scale fisheries. Understanding the drivers and impacts of these incidental catches on elasmobranch populations is essential for designing management responses.
M. Said Ramdlan +7 more
wiley +1 more source
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 7, July 2026.ABSTRACT Climate vulnerability in sharks and rays is unevenly distributed across habitats and ecological groups, reflecting differences in exposure pathways and biological constraints. Using an updated application of the Integrated Risk Assessment for Climate Change (IRACC) framework, we conducted a global reassessment of climate vulnerability for 95 ...
Ava Graham, Daniel M. Moore
wiley +1 more source
StingraySoftware/stingray: Stingray Version 2.0
<h1>v2.0 (2024-03-13)</h1> <h2>New Features</h2> <ul> <li>Power colors à la Heil et al. 2015 (<a href="https://github.com/StingraySoftware/stingray/pull/780">#780</a>)</li> <li>Calculate colors ...
Abbie Stevens +29 more
core +1 more source
Morphology and morphometry of blood cells of two species of freshwater stingrays (Chondrichthyes: Potamotrygoninae) from the lower Solimões river, Amazon [PDF]
Anais da Academia Brasileira de CiênciasCytomorphological evaluation of peripheral blood provides information about the health status of animals, in addition to being indicators of environmental contamination.
MARCIO QUARA DE C. SANTOS +3 more
doaj +1 more source
British freshwater malacostracan "shrimps" [PDF]
, 2010 This short divertissement touches lightly on the vagaries of vernacularnames for culinary and other crustaceans, gives a thumbnail sketch ofthe distribution of the common and less well-known freshwater"shrimps" in the British Isles, and speculates on ...
David W. Sutcliffe
core
Hematological parameters of freshwater stingrays from the lower river negro, Amazonas, Brazil [PDF]
Brazilian Journal of BiologyFreshwater stingrays of the subfamily Potamotrygoninae represent a unique group of elasmobranchs exclusively adapted to freshwater environments in South America.
R. M. Paixão +7 more
doaj +2 more sources
Marine Mammal Science, Volume 42, Issue 3, July 2026.ABSTRACT Cooperative foraging occurs across diverse taxa and facilitates prey acquisition and social learning, particularly when prey is shared among group members. In Resident killer whales (Orcinus orca ater), prey sharing is central to how individuals acquire salmonid prey, yet current research has relied primarily on boat‐based observations.
Sharon W. C. Kay +9 more
wiley +1 more source
Freshwater crabs in Africa [PDF]
, 2010 Freshwater crabs are a strangely neglected component of the world'sinland aquatic ecosystems. Despite their wide distribution throughout thetropical and warm temperate zones of the world, and their great diversity,their role in the ecology of freshwaters
Michael Dobson
core +1 more source