Results 1 to 10 of about 100,846 (313)
Tracking Fish Abundance by Underwater Image Recognition. [PDF]
Sci Rep, 2018 AbstractMarine cabled video-observatories allow the non-destructive sampling of species at frequencies and durations that have never been attained before. Nevertheless, the lack of appropriate methods to automatically process video imagery limits this technology for the purposes of ecosystem monitoring.
Marini S +5 more
europepmc +8 more sources
Challenges of transferring models of fish abundance between coral reefs [PDF]
PeerJ, 2018 Reliable abundance estimates for species are fundamental in ecology, fisheries, and conservation. Consequently, predictive models able to provide reliable estimates for un- or poorly-surveyed locations would prove a valuable tool for management. Based on
Ana M.M. Sequeira +7 more
doaj +3 more sources
Why fishing magnifies fluctuations in fish abundance [PDF]
Nature, 2008 It is now clear that fished populations can fluctuate more than unharvested stocks. However, it is not clear why. Here we distinguish among three major competing mechanisms for this phenomenon, by using the 50-year California Cooperative Oceanic Fisheries Investigations (CalCOFI) larval fish record.
Christian N K Anderson +2 more
exaly +4 more sources
Sedimentary DNA tracks decadal-centennial changes in fish abundance. [PDF]
Commun Biol, 2020 AbstractFar too little is known about the long-term dynamics of populations for almost all macro-organisms. Here, we examined the utility of sedimentary DNA techniques to reconstruct the dynamics in the “abundance” of a species, which has not been previously defined.
Kuwae M +5 more
europepmc +4 more sources
Assessment of climatic and environmental parameters on fish abundance of an afro-tropical reservoir [PDF]
Scientific ReportsThis study assessed the impacts of climatic parameters (rainfall and temperature) and environmental variables (transparency, depth, chloride, TS, TSS, TOC) on the abundance of commercially important fish species in Esa-Odo.
Oluwadamilare Emmanuel Obayemi +7 more
doaj +2 more sources
Известия ТИНРО, 2023 Chub mackerel became an important object of Russian fishery in the NorthWest Pacific since 2015. Annual catch of the species by Russian fleet reached 87,388 t in 2021.
E. P. Chernienko, I. S. Chernienko
doaj +1 more source
Fish Diversity in Relation to Littoral Habitats in Three Basins of Lake Kivu (East Africa)
Diversity, 2023 In total, 28 of the 29 fish species reported from the Lake Kivu basin occur in the littoral zone of the lake, but information about their structure, occurrence, and the habitats affecting their distribution is largely lacking.
Tchalondawa Kisekelwa +11 more
doaj +1 more source
Predicting fish species richness and abundance in the Lower Mekong Basin
Frontiers in Ecology and Evolution, 2023 Predictive models are widely used to investigate relationships between the distribution of fish diversity, abundance, and the environmental conditions in which they inhabit, and can guide management actions and conservation policies.
Peng Bun Ngor +15 more
doaj +1 more source
Известия ТИНРО, 2022 The northwestern Bering Sea, in particular the waters at Cape Navarin, is one of the main areas of the walleye pollock fishery. Environmental variability in the Bering Sea affects on recruitment, abundance, behavior, and seasonal spatial distribution of ...
E. V. Gritsay, M. A. Stepanenko
doaj +1 more source
Известия ТИНРО, 2022 Annual data on the 1976–2019 year-classes of pink salmon from Iturup Island are presented, as their number on spawning grounds, abundance of wild and hatchery juveniles migrating downstream, and returns of adult fish after the marine period of life.
A. M. Kaev
doaj +1 more source