Results 1 to 10 of about 3,578 (217)

The extinct marine megafauna of the Phanerozoic [PDF]

open access: yesCambridge Prisms: Extinction
The modern marine megafauna is known to play important ecological roles and includes many charismatic species that have drawn the attention of both the scientific community and the public.
Catalina Pimiento   +35 more
doaj   +7 more sources

Megafauna in Salt Marshes [PDF]

open access: yesFrontiers in Marine Science, 2020
Megafauna shape ecosystems globally through trophic interactions, ecology of fear, and ecosystem engineering. Highly productive salt marshes at the interface of terrestrial and marine systems have the potential to support megafauna species, but a recent ...
Leo C. Gaskins   +2 more
doaj   +2 more sources

Drone-Based Assessment of Marine Megafauna off Wave-Exposed Sandy Beaches

open access: yesRemote Sensing, 2023
The wave-impacted waters off exposed sandy beaches support marine megafauna, including dolphins, whales, sharks, rays and turtles. To characterise variation in megafaunal assemblages in this challenging habitat, we used drone-based remote sensing to ...
Paul Butcher   +2 more
exaly   +3 more sources

Kill site database: A unified dataset on human-megafauna interactions across time and space

open access: yesData in Brief, 2023
The database presented in this data article is related to the paper “Megafauna kill sites in South America: a critical review” [1]. It includes a list of 134 publications on human-megafauna interaction, with 69 archaeological sites showing human ...
Hugo Bampi   +2 more
doaj   +1 more source

Using Drones to Assess Volitional Swimming Kinematics of Manta Ray Behaviors in the Wild

open access: yesDrones, 2022
Drones have become increasingly popular tools to study marine megafauna but are underutilized in batoid research. We used drones to collect video data of manta ray (Mobula cf.
Vicky Fong   +2 more
doaj   +1 more source

Spotting the “small eyes”: using photo-ID methodology to study a wild population of smalleye stingrays (Megatrygon microps) in southern Mozambique [PDF]

open access: yesPeerJ, 2019
Background The smalleye stingray (Megatrygon microps) is a large and rare dasyatid ray, patchily distributed across the Indo-West Pacific. Free-swimming individuals have regularly been recorded in Southern Mozambican coastal waters utilizing different ...
Atlantine Boggio-Pasqua   +2 more
doaj   +2 more sources

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

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

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

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