Results 31 to 40 of about 28,203 (283)

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

Saving the World's Terrestrial Megafauna [PDF]

open access: yesBioScience, 2016
Ripple, W.J., Chapron, G., López-Bao, J.V., Durant, S.M., Macdonald, D.W., Lindsey, P.A., Bennett, E.L., Beschta, R.L., Bruskotter, J.T., Campos-Arceiz, A., Corlett, R.T., Darimont, C.T., Dickman, A.J., Dirzo, R., Dublin, H.T., Estes, J.A., Everatt, K.T., Galetti, M., Goswami, V.R., Hayward, M.W., Hedges, S., Hoffmann, M., Hunter, L.T.B., Kerley, G.I.H.
Ripple, William J   +42 more
openaire   +7 more sources

The Azores: A Mid-Atlantic Hotspot for Marine Megafauna Research and Conservation

open access: yesFrontiers in Marine Science, 2020
The increasing public perception that marine megafauna is under threat is an outstanding incentive to investigate their essential habitats (EMH), their responses to human and climate change pressures, and to better understand their largely unexplained ...
Pedro Afonso   +12 more
doaj   +1 more source

Global late Quaternary megafauna extinctions linked to humans, not climate change [PDF]

open access: yes, 2014
The late Quaternary megafauna extinction was a severe global-scale event. Two factors, climate change and modern humans, have received broad support as the primary drivers, but their absolute and relative importance remains controversial.
Boslough M   +11 more
core   +2 more sources

Residency, movement patterns, behavior and demographics of reef manta rays in Komodo National Park [PDF]

open access: yesPeerJ, 2022
Background The reef manta ray (Mobula alfredi) is a globally threatened species and an iconic tourist attraction for visitors to Indonesia’s Komodo National Park (NP). In 2013, manta ray fishing was banned in Komodo NP and its surroundings, preceding the
Elitza S. Germanov   +6 more
doaj   +2 more sources

Long-term change in benthopelagic fish abundance in the abyssal northeast Pacific Ocean [PDF]

open access: yes, 2006
Food web structure, particularly the relative importance of bottom-up and top-down control of animal abundances, is poorly known for the Earth's largest habitats: the abyssal plains.
Bailey, D.M., Ruhl, H.A., Smith, K.
core   +1 more source

Discovery and mapping of the Triton seep site, Redondo Knoll: fluid flow and microbial colonization within an oxygen minimum zone [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 Wagner, J. K. S., Smart, C., & German, C. R.
German, Christopher R.   +2 more
core   +1 more source

Embracing Complexity and Complexity-Awareness in Marine Megafauna Conservation and Research

open access: yesFrontiers in Marine Science, 2018
Conservation of marine megafauna is nested within an intricate tapestry of multiple ocean resource uses which are, in turn, embedded in a dynamic and complex ecological ocean system that varies and shifts across a wide range of spatial and temporal ...
Rebecca L. Lewison   +2 more
doaj   +1 more source

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