Results 41 to 50 of about 390 (150)

Relative importance plots for boosted regression tree analysis of total large-bodied reef fish biomass (all species pooled) and presence/absence of key species. [PDF]

open access: yes, 2013
Species selection was based on maximum data density, and management and ecological importance. CAAB = Carcharhinus amblyrhynchos, LUBO = Lutjanus bohar, MASP = Macolor spp., TROB = Triaenodon obesus, NAHE = Naso hexacanthus, SCRU = Scarus rubroviolaceus,
Ivor D. Williams (331075)   +3 more
core   +1 more source

Partial dependency plots for boosted regression tree analysis of total large-bodied reef fish biomass (all species pooled) and presence/absence of key species. [PDF]

open access: yes, 2013
Species selection was based on maximum data density, and management and ecological importance. CAAB = Carcharhinus amblyrhynchos, LUBO = Lutjanus bohar, MASP = Macolor spp., TROB = Triaenodon obesus, NAHE = Naso hexacanthus, SCRU = Scarus rubroviolaceus,
Ivor D. Williams (331075)   +3 more
core   +1 more source

Effect of zoning on shark abundance, Great Barrier Reef of Australia. [PDF]

open access: yes, 2014
The predicted abundance for (a, b) all shark species pooled, Carcharhinus amblyrhynchos (c, d, e), C. albimarginatus (f, g, h), Galeocerdo cuvier (i, j, k), and Triaenodon obesus (l, m, n) was examined across the range of hard coral cover (%), days since
Michelle R. Heupel (230256)   +4 more
core   +1 more source

Taxonomic assessment of sharks occurring in Pakistan (northern Arabian Sea)

open access: yesThe European Zoological Journal
We described the Sharks of Pakistan on the basis of external morphology represented by 41 species belonging to 10 families. Family Pseudocarchariidae (Pseudocarcharias kamoharai), family Alopidae (Alopias pelgicus, A.
P. J. A. Siddiqui, A. Javed
doaj   +1 more source

The Overlooked Threat of Global Warming on Elasmobranch Fertility

open access: yesFish and Fisheries, Volume 27, Issue 1, Page 41-55, January 2026.
ABSTRACT Climate change is increasingly recognised as a critical threat to global biodiversity, yet its impacts on reproductive processes remain poorly understood in many marine taxa. Elasmobranchs (sharks, skates and rays) represent a particularly vulnerable group due to their peculiar life histories, low fecundity, and diverse reproductive modes.
Noémie Coulon   +3 more
wiley   +1 more source

Boosted regression tree (BRT) analysis: Optimal parameter settings, predictive performance, and relative influence of environmental variables on total large-bodied reef fish biomass and presence/absence of key species. [PDF]

open access: yes, 2013
Note: Total Biomass values were double-log+1 transformed to achieve pseudo-normality, species were analyzed based on presence/absence. Species selection was based on PRIMER BEST analysis, maximum data density, and management importance.
Ivor D. Williams (331075)   +3 more
core   +1 more source

Summary results of Poisson (P) and negative binomial (NB) regression models used to examine the effect of zoning (areas closed/open to fishing) on the relative abundance of sharks (2004–2010). [PDF]

open access: yes, 2014
The performance of P and NB models were compared using Akaike's information criterion (AIC) against nested models and significant differences were evaluated with maximum likelihood ratio tests (χ2 ...
Michelle R. Heupel (230256)   +4 more
core   +1 more source

From Data Deficient to Big Data in Shark Conservation

open access: yesFish and Fisheries, Volume 26, Issue 6, Page 977-990, November 2025.
ABSTRACT Citizen science is increasingly harnessed worldwide to gather data otherwise requiring a prohibitive investment of funding and time. Meanwhile, the revolution in digital communication offers opportunities from crowdsourcing, big data approaches and social network mining to quickly and cost‐effectively fill major gaps in knowledge necessary to ...
F. Ferretti   +8 more
wiley   +1 more source

Partial dependency plots from the aggregated boosted regression tree analysis of the occurrence and richness of shark species observed on baited remote underwater video stations. [PDF]

open access: yes, 2014
The effects of the four most influential environmental/habitat predictors on the occurrence of Carcharhinus amblyrhynchos, C. albimarginatus, Galeocerdo cuvier and Triaenodon obesus.
Michelle R. Heupel (230256)   +4 more
core   +1 more source

Effects of protection on large‐bodied reef fishes in the western Indian Ocean

open access: yesConservation Biology, Volume 39, Issue 4, August 2025.
Abstract Predatory and large‐bodied coral reef fishes have fundamental roles in the functioning and biodiversity of coral reef ecosystems, but their populations are declining, largely due to overexploitation in fisheries. These fishes include sharks, groupers, Humphead wrasse (Cheilinus undulatus), and Green Humphead parrotfish (Bolbometopon muricatum).
Melita Samoilys   +4 more
wiley   +1 more source

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