Results 21 to 30 of about 7,341 (275)

Updated 2021 Inaccessible island assessments

open access: yes, 2021
This paper provides updated assessments of the rock lobster resource at Inaccessible island. This assessment includes updated data from the commercial fishery and biomass surveys. Data from the 2020 season are not included as they are not yet available. The assessments were last updated in 2018.
Holloway, Susan, Butterworth, Doug
openaire   +2 more sources

Gold-rare metal and associated mineralization in the western part of Bolshevik Island, Severnaya Zemlya archipelago

open access: yesЗаписки Горного института, 2023
The presented studies are aimed to determine the formation patterns of the gold-rare metal mineralization within one of the most inaccessible Arctic islands of the Russian Federation, Bolshevik Island of the Severnaya Zemlya archipela-go.
Aleksandr N. Evdokimov   +2 more
doaj   +1 more source

Time-lapse camera photographs reveal arrival and breeding timing of short-tailed albatrosses Phoebastria albatrus

open access: yesEndangered Species Research, 2022
Monitoring the ecology of seabirds breeding on remote islands is often challenging. However, time-lapse cameras have enabled the surveillance of inaccessible sites.
J Otsubo, H Higuchi
doaj   +1 more source

Applications of unmanned aerial vehicles in Antarctic environmental research

open access: yesScientific Reports, 2021
Antarctica plays a fundamental role in the Earth's climate, oceanic circulation and global ecosystem. It is a priority and a scientific challenge to understand its functioning and responses under different scenarios of global warming.
Antonio Tovar-Sánchez   +3 more
doaj   +1 more source

Estimation of total population size of southern elephant seals (Mirounga leonina) on Kerguelen and Crozet Archipelagos using very high-resolution satellite imagery

open access: yesFrontiers in Marine Science, 2023
Southern elephant seals (Mirounga leonina) play a pivotal role in the Southern Ocean as wide-ranging marine predators and major prey consumers within Southern Ocean marine ecosystems.
Joris Laborie   +6 more
doaj   +1 more source

Satellites, the all-seeing eyes in the sky: counting elephant seals from space. [PDF]

open access: yesPLoS ONE, 2014
Regular censuses are fundamental for the management of animal populations but, are logistically challenging for species living in remote regions. The advent of readily accessible, high resolution satellite images of earth mean that it is possible to ...
Clive R McMahon   +5 more
doaj   +1 more source

Age constraints for the Trachilos footprints from Crete

open access: yesScientific Reports, 2021
We present an updated time frame for the 30 m thick late Miocene sedimentary Trachilos section from the island of Crete that contains the potentially oldest hominin footprints. The section is characterized by normal magnetic polarity.
Uwe Kirscher   +12 more
doaj   +1 more source

Long-term changes in petrel populations on Inaccessible Island, Tristan da Cunha, inferred from the diet of Brown Skuas Stercorarius antarcticus [PDF]

open access: yes, 2023
Petrels that breed in burrows and return to their colonies after dark are among the most poorly studied seabirds. Brown Skuas Stercorarius antarcticus (family Stercorariidae) are major predators of burrowing petrels at many seabird breeding islands in ...
Peter G Ryan (7537334)
core   +1 more source

Lichens of the eastern slope of Berutarube volcano, Iturup Island (the Kuril Islands, Far East of Russia) [PDF]

open access: yesГеосистемы переходных зон
The paper presents an annotated list of lichens of the eastern slope of Berutarube volcano, one of the most inaccessible and poorly studied active volcanoes on Iturup Island.
Ezhkin, Alexander K., Romanyuk, Fedor A.
doaj   +1 more source

Initial OMP candidates for the Inaccessible and Gough rock lobster fisheries [PDF]

open access: yes, 2022
In 2013, an OMP (Operational Management Procedure) was developed for the Tristan island rock lobster fishery (Johnston and Butterworth 2013). This OMP was used to set the quota at Tristan for the 2013 season, and will be used for the next three Seasons ...
Doug Butterworth (10005953)   +1 more
core   +1 more source

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