Results 171 to 180 of about 13,164 (257)

Hemisphere-Level Comparison of Climate-Driven Humpback Whale Breeding Migrations to the Eastern Pacific Off Costa Rica. [PDF]

open access: yesEcol Evol
Pelayo-González L   +6 more
europepmc   +1 more source

Seasonal variation in preen gland secretions of Tristram's Storm Petrel (Hydrobates tristrami)

open access: yesIbis, EarlyView.
Preen gland secretions are known to vary depending on sex, season and species and are thought to play essential roles in avian life history. However, their chemical composition and functions remain largely unclear in Procellariiform seabirds with well‐developed olfactory senses. Storm petrels, known for their distinctive body odour, may use preen gland
Taiki Terajima   +2 more
wiley   +1 more source

The ‘Geopolitical Commission’: 40 Years in the Making?

open access: yesJCMS: Journal of Common Market Studies, EarlyView.
Abstract In 2019, European Commission President Ursula von der Leyen promised MEPs she would deliver a ‘Geopolitical Commission’ during the five years of her term in office, unbeknown that the COVID‐19 pandemic and the Russian invasion of Ukraine were around the corner.
Robert Kissack
wiley   +1 more source

The emerging Antarctic amplification. [PDF]

open access: yesNatl Sci Rev
Wu Q   +6 more
europepmc   +1 more source

Distribution and ecology of the four Macrourus species by‐caught in the longline fishery at South Georgia, Southern Ocean

open access: yesJournal of Fish Biology, EarlyView.
Abstract Although Macrourus species are the main by‐catch across Southern Ocean longline fisheries, including around South Georgia, the lack of species‐specific data has hindered effective management and ecological understanding. Aggregation of macrourids at genus level masks critical interspecific differences in life‐history strategies and ...
José Abreu   +8 more
wiley   +1 more source

Historical case study of a transfer experiment that demonstrated the importance of the estuarine ecosystem for the survival of Chinook salmon (Oncorhynchus tshawytscha) at the Campbell River estuary, British Columbia, Canada

open access: yesJournal of Fish Biology, EarlyView.
Abstract Estuary dependence to the survival of Chinook salmon was investigated at the Campbell River estuary, British Columbia, Canada. Replicate batches of marked smolts were transferred from a hatchery and released in 1983, 1984 and 1985 at four ecosystems, two that ensured estuarine experience (river, estuary) and two seawards of the estuary ...
Colin D. Levings, J. Steve Macdonald
wiley   +1 more source

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