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Data from: Human-induced reductions in fish predator boldness decrease their predation rates on prey in kelp forests
- 负责人：
- DOI：
- doi:10.5061/dryad.r7b018m
- 摘要：
- behavioural traits and predation rates by predatory fishes on standard squid prey in protected areas of different protection levels and ages, and found tha
Data from: Zoogeographic patterns of pelagic oceanic cephalopods along the eastern Pacific Ocean
- 负责人：
- DOI：
- doi:10.5061/dryad.vn12t0t
- 摘要：
- Aim: To analyse the diversity and distribution of oceanic pelagic cephalopods along the Eastern Pacific Ocean, assessing the existence of biogeographic structuring, and the role of physical variables in generating geographical patterns. We hypothesized that the control by environmental factors, and the effect of geometric constraints, determine the range size and limits of distribution of oceanic cephalopods along the eastern Pacific Ocean, generating a latitudinal gradient in species richness. Location: Eastern Pacific Ocean (60°N – 60°S), from the Gulf of Alaska to the Southern Ocean. Methods: Based on a literature review and >5,000 records obtained from collections, we constructed a presence-absence matrix including 61 latitudinal bands (2° each) along the Eastern Pacific, and estimated species richness and range endpoints at each band. Biogeographic units were determined by means of multivariate analyses. Species richness was compared with null model predictions in order to test for the existence of geometric constraints using the Mid-Domain Null model. The effects on species richness of environmental variables (temperature, salinity and oxygen) were evaluated separately for surface and depth (0-1,000 m) data, by means of ordinary least squares regression and simultaneous autoregressive models. Rapoport’s pattern was assessed by applying the Stevens’ method and the range midpoint method. Results: Species richness was high across the tropics and decreased towards the both poles. We identified five biogeographic units, highlighting two major distribution breaks at 40°N and 42°S. Species richness was strongly related with environmental variables, although the combined variables accounted for a large fraction of the variance between 0-1,000 m (R2 = 0.99), while temperature was the best single predictor at the surface (R2 = 0.98). Species richness curves showed a mid-domain effect (MDE), and the mean latitudinal range was higher in the tropics and at warm latitudes, generating an inverse Rapoport’s pattern. Main conclusions: Along the Eastern Pacific Ocean, oceanic cephalopods exhibit both a clear biogeographic patterning and an interhemispheric (poleward decreasing) diversity gradient, which appear strongly related with physical factors and external forcing, as well as with a MDE as a seemingly consequence of the naturally bounded domain of the Eastern Pacific.
GBIF Occurrence Download
- 负责人：
- DOI：
- doi:10.15468/dl.k9fov8
- 摘要：
- provider for OZCAM. 10 records from New Zealand fish and squid distributions from research bottom trawls 1964-2008. Data from some individual datasets
GBIF Occurrence Download
- 负责人：
- DOI：
- doi:10.15468/dl.68bwmk
- 摘要：
- records from CSIRO Ichthyology provider for OZCAM. 3856 records from New Zealand fish and squid distributions from research bottom trawls 1964-2008. 65
Data from: DNA metabarcoding for diet analysis and biodiversity: A case study using the endangered Australian sea lion (Neophoca cinerea)
- 负责人：
- 关键词：
- apex predator;DNA metabarcoding;Next Generation Sequencing;Dietary scat analysis;Neophoca cinerea
- DOI：
- doi:10.5061/dryad.rd748
- 摘要：
- of mainly demersal fauna. Further, the important commercial species Sepioteuthis australis (southern calamari squid) and Panulirus cygnus (western
Data from: Forage species in predator diets: synthesis of data from the California Current
- 负责人：
- 关键词：
- marine predator food web forage species diet database data assimilation ecosystem based management
- DOI：
- doi:10.5061/dryad.nv5d2
- 摘要：
- , euphausiid krill, Pacific herring and market squid. Predator species with abundant data included Pacific hake, common murre, and California sea lion. Most diet
Data from: Genomic signatures of GPCR expansions reveal functional transitions in the evolution of cephalopod signal transduction
- 负责人：
- DOI：
- doi:10.5061/dryad.d3qh5c8
- 摘要：
- with other bilaterians were found to be mainly nervous tissue-specific. In contrast, duplications that are shared between octopus and the bobtail squid
GBIF Occurrence Download
- 负责人：
- DOI：
- doi:10.15468/dl.c0ihux
- 摘要：
- . 1 records from New Zealand fish and squid distributions from research bottom trawls 1964-2008. 242 records from IMOS - Animal Tracking Facility
GBIF Occurrence Download
- 负责人：
- DOI：
- doi:10.15468/dl.zxuw8w
- 摘要：
- and squid from the Patagonian shelf. 35 records from The Deepwater Program: Northern Gulf of Mexico Continental Slope Habitat and Benthic Ecology - DgoMB
Winter Foraging Locations Of Southern Ocean Predators - sub-Antarctic islands 2008\/09
- 负责人：
- DAVE CONNELL;;DATA OFFICER AADC;;MARK HINDELL;;MARY-ANNE LEA
- 关键词：
- DOI：
- doi:10.15468/11aicq
- 摘要：
- blood and whisker samples indicates that adult females feed on a range of lower (krill) to higher (fish and squid) trophic levels across their winter
