Results 11 to 20 of about 26,140 (210)

Effect of straying, reproductive strategies, and ocean distribution on the structure of American shad populations

Ecosphere, 2023
The use of species distribution models has proliferated, providing insights for sustainable management of migratory species in a globally changing environment. However, many of these models are based on statistical relationships developed from historical
Camille Poulet, Géraldine Lassalle, Adrian Jordaan, Karin E. Limburg, Christopher C. Nack, Janet A. Nye, Andrew O'Malley, Betsy O'Malley‐Barber, Dan S. Stich, John R. Waldman, Joseph Zydlewski, Patrick Lambert   +11 more
doaj   +1 more source

Repeatable individual variation in migration timing in two anadromous salmonids and ecological consequences

Ecology and Evolution, 2020
Consistent individual differences in behavior have been demonstrated for many animals, but there are few studies of consequences of such repeated behavior in the wild.
Arne Johan Jensen, Bengt Finstad, Peder Fiske, Ola H. Diserud, Eva B. Thorstad   +4 more
doaj   +1 more source

Assessing the growth of Arctic charr (Salvelinus alpinus) (Linnaeus, 1758) in four salinities, under experimental conditions [PDF]

Brazilian Journal of Biology, 2019
Studies in Salvelinus alpinus, Arctic charr, indicate that it has a low capacity to hyposmorregulatory or adaption to sea in winter periods in Arctic waters.
A. Mardones, R. Vega, F. Encina, C. Pichara, K. González, P. De los Rios, B. Peña   +6 more
doaj   +2 more sources

Effects of the Habitat and Genotype on Osteological Traits in Landlocked and Anadromous Ecological Forms of Atlantic Salmon Salmo salar Linnaeus, 1758

Diversity, 2022
Studies of speciation and intraspecific differentiation in salmonid fishes are traditionally based on analysis of osteological traits. In the current study the variation of osteological traits was compared between two Atlantic salmon forms: anadromous ...
Anastasia O. Yurtseva, Dmitry L. Lajus, Alexander A. Makhrov, Vyacheslav A. Shirokov, Igor L. Shurov, Valentina S. Artamonova   +5 more
doaj   +1 more source

The benefits of merging passive and active tracking approaches: New insights into riverine migration by salmonid smolts

Ecosphere, 2022
The process of smolting is a critical phase in the life cycle of anadromous salmonids, and it has been associated with substantial rates of mortality.
Louise Chavarie, Hannele M. Honkanen, Matthew Newton, Jessie M. Lilly, Hannah R. Greetham, Colin E. Adams   +5 more
doaj   +1 more source

Comparative analyses of upstream migration in a multispecies assemblage of fish in response to highly managed flow regimes

California Fish and Wildlife Journal, 2020
Few, if any, studies have distinguished among anthropogenic factors (extrinsic drivers) acting on populations of sympatric species of fish within a single watershed or riverine system.
Robert M. Sullivan, John P. Hileman
doaj   +1 more source

Differences in early developmental rate and yolk conversion efficiency in offspring of trout with alternative life histories [PDF]

, 2016
Partial migration, in which some individuals of a population migrate while other individuals remain resident, is generally associated with ontogenetic shifts to better feeding areas or as a response to environmental instability, but its underlying ...
Abbott, Allen, Bachman, Berghe, Berthold, Braun, Brockelman, Brodersen, Burton, Burton, Chapman, Cutts, Cutts, Dodson, Dziminski, Eek, Ege, Einum, Elliott, Fleming, Fleming, Forseth, Grayson, Gross, Imre, Jonsson, Jonsson, Jonsson, Kamler, Killen, Kinnison, Leeuwen, Metcalfe, Monaghan, Morinville, Mousseau, Nakano, O'Neal, Olofsson, Olsson, Olsson, Olsson, Paez, Pakkasmaa, Pulido, Quinn, R Core Team, Reid, Reznick, Roff, Rollinson, Rollinson, Rosenfeld, Régnier, Sandell, Skoglund, Sloman, Steffensen, Stevens, Taborsky, Taylor, Taylor, Thorpe, Wysujack   +63 more
core   +1 more source

Multi-indicator evidence for habitat use and trophic strategy segregation of two sympatric forms of Arctic char from the Cumberland Sound region of Nunavut, Canada

Arctic Science, 2021
We analyzed Arctic char (Salvelinus alpinus (Linnaeus, 1758)) stable isotope ratios and fatty acid composition from two geographically proximal Nunavut lakes, Qasigiyat and Iqalugaarjuit, to determine if anadromous and resident Arctic char occupied ...
Kendra L. Ulrich, Ross F. Tallman
doaj   +1 more source

Contribution of anadromous fish to the diet of European catfish in a large river system [PDF]

, 2009
Many anadromous fish species, when migrating from the sea to spawn in fresh waters, can potentially be a valuable prey for larger predatory fish, thereby efficiently linking these two ecosystems. Here, we assess the contribution of anadromous fish to the
AE Kohler, Aurélia Martino, BJ Peterson, C Harrod, CE Adams, DL Phillips, Dorothée Kopp, DR Rubenstein, Frédéric Santoul, G Lassalle, GC Garman, ID McCarthy, J Carol, J Syväranta, J Syväranta, Jari Syväranta, JAS Zuanon, Julien Cucherousset, K Wysujack, LA Deegan, M Kiljunen, MJ DeNiro, PE Drevnick, RE Bilby, RH Hesslein, RR Doucett, Régis Céréghino, S Bearhop, SE MacAvoy, SE MacAvoy, SE MacAvoy, TD Jardine   +31 more
core   +5 more sources

Choosing Your Ground on the Endangered Species Act: How Do the Ninth, Tenth, and District of Columbia Circuit Courts of Appeal Evaluate Water Management Decisions Made by Federal Water Agencies? [PDF]

, 2017
The purpose of this article is twofold. First, federal agencies are responsible for the development and implementation of ESA documents, and knowing what a court will look for and at when that document is challenged can help the agencies to develop a ...
Kinsey, Michael
core   +2 more sources