Results 11 to 20 of about 26,309 (230)

The need for long-term population monitoring of the world’s largest fish

open access: yesEndangered Species Research, 2022
Many large marine species are vulnerable to anthropogenic pressures, and substantial declines have been documented across a range of taxa. Many of these species are also long-lived, have low individual resighting rates and high levels of individual ...
CA Rohner   +6 more
doaj   +1 more source

Thresholds for the presence of glacial megafauna in central Europe during the last 60,000 years

open access: yesScientific Reports, 2022
Lake sediment records from Holzmaar and the infilled maar of Auel (Eifel, Germany) are used to reconstruct landscape changes and megafauna abundances. Our data document a forested landscape from 60,000 to 48,000 yr b2k and a stepwise vegetation change ...
Frank Sirocko   +8 more
doaj   +1 more source

The Status of Marine Megafauna Research in Macaronesia: A Systematic Review

open access: yesFrontiers in Marine Science, 2022
Marine megafauna serve valuable ecological and economical roles globally, yet, many species have experienced precipitous population declines. The significance of marine megafauna is particularly evident in Macaronesia, a complex of oceanic archipelagos ...
Ashlie J. McIvor   +10 more
doaj   +1 more source

Animal community dynamics at senescent and active vents at the 9° N East Pacific Rise after a volcanic eruption [PDF]

open access: yes, 2020
© The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Gollner, S., Govenar, B., Arbizu, P. M., Mullineaux, L.
Arbizu, P. Martinez   +8 more
core   +2 more sources

Investigating the benthic megafauna in the eastern Clarion Clipperton Fracture Zone (north-east Pacific) based on distribution models predicted with random forest

open access: yesScientific Reports, 2022
The eastern Clarion Clipperton Fracture Zone (CCZ) is a heterogeneous abyssal environment harbouring relatively low abundances of highly diverse megafauna communities.
Katja Uhlenkott   +3 more
doaj   +1 more source

Shaken, not stirred: blue whales show no acoustic response to earthquake events

open access: yesRoyal Society Open Science, 2022
Quantifying how animals respond to disturbance events bears relevance for understanding consequences to population health. We investigate whether blue whales respond acoustically to naturally occurring episodic noise by examining calling before and after
Dawn R. Barlow   +3 more
doaj   +1 more source

Vulnerability of marine megafauna to global at-sea anthropogenic threats. [PDF]

open access: yesConserv Biol
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
VanCompernolle M   +309 more
europepmc   +2 more sources

Future large hydropower dams impact global freshwater megafauna [PDF]

open access: yes, 2019
Dam construction comes with severe social, economic and ecological impacts. From an ecological point of view, habitat types are altered and biodiversity is lost.
Berlekamp, Juergen   +5 more
core   +1 more source

Laser photogrammetry improves size and demographic estimates for whale sharks [PDF]

open access: yesPeerJ, 2015
Whale sharks Rhincodon typus are globally threatened, but a lack of biological and demographic information hampers an accurate assessment of their vulnerability to further decline or capacity to recover.
Christoph A. Rohner   +8 more
doaj   +2 more sources

Sporormiella as a tool for detecting the presence of large herbivores in the Neotropics [PDF]

open access: yes, 2016
The reliability of using the abundance of Sporormiella spores as a proxy for the presence and abundance of megaherbivores was tested in southern Brazil. Mud-water interface samples from nine lakes, in which cattle-use was categorized as high, medium, or ...
ABSY ML   +52 more
core   +3 more sources

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