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201 results for “fish conservation”
FIGURE 1 in Continental fishes of Nicaragua: diversity, distribution and conservation status; with an annotated and illustrated checklist of species and an identification guide to families
FIGURE 1. Map of Nicaragua, Central America, showing the division into 19 major river drainage basins: Coco (Co), Ulang (Ul), Wawa-Kukulaya (WK), Prinzapolka (Pr), Grande de Matagalpa (GM), Kurinwas-Laguna las Perlas (KP), Escondido (Es), Blue Fields-Punta Gorda (BF), Indio Maíz (IM), Tortuguero (To), Sarapiquí (Sa), San Juan (SJ), Río Frío (RF) and Lago de Nicaragua (LN) (Atlantic); Choluteca (Ch), Negro (Ne), Estero Real (ER), Pacífico de Nicaragua and Nicoya (Ni). Pacific drainages are shown in light blue. Data from the continental basins were obtained from HydroSHEDS (Lehner et al. 2008).
FIGURE 4 in Continental fishes of Nicaragua: diversity, distribution and conservation status; with an annotated and illustrated checklist of species and an identification guide to families
FIGURE 4. Families of continental fishes of Nicaragua, part 3; Achiridae (A), Carangidae (B), Cichlidae (C), Pomacentridae (D), Atherinopsidae (E), Rivulidae (F), Poeciliidae (G), Anablepidae (H), Belonidae (I), Hemiramphidae (J), Mugilidae (K), Gobiesocidae (L), Dactyloscopidae (M) and Lutjanidae (N). Illustrations adapted (with permission) from Nelson et al. (2016) and Angulo et al. (2021).
Fish habitat associations in shoal habitats and implications for climate change effects on species conservation
<p>The dataset and examples of R script used in our analysis.</p>
FIGURE 1 in Fishes (Elasmobranchii and Actinopterygii) of Picãozinho reef, Northeastern Brazil, with notes on their conservation status
FIGURE 1. Map of the studied site in the northeastern Brazilian coast, located between two estuaries. Detailed reef map showing areas exposed during low tides (<0.3 m) and very low tides (<0.0 m) are highlighted in black and grey, respectively.
Fig. 2 in Fishing for Tigers: A Method for Collecting Tiger Beetle Larvae Holds Useful Applications for Biology and Conservation
Fig. 2. Mean time required for successful collections of tiger beetle larvae by species and collection methods. Percentage above each bar represents success rate for method.
Fig. 1 in Fishing for Tigers: A Method for Collecting Tiger Beetle Larvae Holds Useful Applications for Biology and Conservation
Fig. 1. Success rate of fishing for tiger beetle larvae (pooled for four species) based on material used within a threeminute time limit.
Invasive predator diet plasticity has implications for native fish conservation & invasive species suppression
<p>Diet plasticity is a common behavior exhibited by piscivores to sustain predator biomass when preferred prey biomass is reduced. Invasive piscivore diet plasticity could complicate suppression success; thus, understanding invasive predator consumption is insightful to meeting conservation targets. Here, we determine if diet plasticity exists in an invasive apex piscivore and how plasticity could influence native species recovery benchmarks and invasive species suppression goals. We compared diet and stable isotope signatures of invasive lake trout and native Yellowstone cutthroat trout (cutthroat trout) from Yellowstone Lake, Wyoming, U.S.A. as a function of no, low-, moderate-, and high-lake trout density states. Lake trout exhibited plasticity in relation to their density; consumption of cutthroat trout decreased 5-fold (diet proportion from 0.89 to 0.18) from low- to high-density state. During the high-density state, lake trout switched to amphipods, which were also consumed by cutthroat trout, resulting in high diet overlap (Schoener's index value, D = 0.68) between the species. As suppression reduced lake trout densities, more cutthroat trout (moderate-density state proportion of cutthroat trout = 0.42) were consumed, and diet overlap was released between the species (D = 0.30). A shift in lake trout δ<sup>13</sup>C signatures from the high- to the moderate-density state also corroborated increased consumption of cutthroat trout and lake trout diet plasticity. Observed declines in lake trout are not commensurate with expected cutthroat trout recovery due to lake trout diet plasticity. The abundance of the native species in need of conservation may take longer to recover due to the diet plasticity of the invasive species. The changes observed in diet, diet overlap, and isotopes associated with predator suppression provide more insight into conservation and suppression dynamics than using predator and prey biomass alone. By understanding these dynamics, we can better prepare conservation programs for potential feedbacks caused by invasive species suppression. </p>
Supplementary material 1 from: Kaviarasu M, Ramli FF, Mohd Ilham Norhakim L, Othman N, Mahyuddin NAA, Haris H, Sariyati NH, Najmuddin MF, Aman S, Zaharin SF, Abdul-Latiff MAB (2022) First insight into freshwater fish assemblages in the western part of the Endau-Rompin landscape, Malaysia. Nature Conservation 50: 265-281. https://doi.org/10.3897/natureconservation.50.86090
Eleven environmental variables measured in each substation of rivers Juaseh, Segamat, and Labis of ERL.
Invasive predator diet plasticity has implications for native fish conservation & invasive species suppression
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Data from: Terrestrial-focused protected areas are effective for conservation of freshwater fish diversity in Lake Tanganyika
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Still time for action: genetic conservation of imperiled South Canadian River fishes, Arkansas River Shiner (Notropis girardi), Peppered Chub (Macrhybopsis tetranema) and Plains Minnow (Hybognathus placitus)
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Data from: Is environmental legislation conserving tropical stream faunas? a large-scale assessment of local, riparian and catchment-scale influences on Amazonian stream fish
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Data from: Unlocking biodiversity and conservation studies in high‐diversity environments using environmental DNA (eDNA): a test with Guianese freshwater fishes
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National survey of college students' beliefs, attitudes, and behaviors related to hunting, fishing, and wildlife conservation
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Data from: Biodiversity inventories and conservation of the marine fishes of Bootless Bay, Papua New Guinea
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Data from: Assessing species boundaries using multilocus species delimitation in a morphologically conserved group of Neotropical freshwater fishes, the Poecilia sphenops species complex (Poeciliidae)
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Data from: Genetic evaluation of migratory fish: implications for conservation and stocking programs
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Data from: Comparative riverscape genetics reveals reservoirs of genetic diversity for conservation and restoration of Great Plains fishes.
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Fig. 2 in Conservation status and bio-ecology of Brycon orbignyanus (Characiformes: Bryconidae), an endemic fish species from the Paraná River basin (Brazil) threatened with extinction
Fig. 2. Abundance (captures per unit of effort – CPUE) of Brycon orbignyanus observed in the Upper Paraná River floodplain in different years (1986 to 1988, 1992 to 1994 and 2000 to 2010) and subsystems (Paraná, Baía and Ivinhema).
Fig. 4 in Conservation status and bio-ecology of Brycon orbignyanus (Characiformes: Bryconidae), an endemic fish species from the Paraná River basin (Brazil) threatened with extinction
Fig. 4. Ontogenetic variations in the diet of Brycon orbignyanus in the Upper Paraná River floodplain. FI = fish; AI = aquatic invertebrates; TI = terrestrial invertebrates; TP = terrestrial plants; AP = aquatic plants.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.