Pascal Bach
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Unfolding the Contributions of Small-Scale Fisheries to the Sustainable Development Goals Open
The effects of climate change are hindering the ability of the world to achieve the Sustainable Development Goals (SDG) by 2030. In particular, the success of SDG 2 (Zero hunger) is threatened by the impacts of climate change on global foo…
The need to incorporate the multidimensional value of sharks to improve management of socio-ecosystems Open
Over the past 50 years, global oceanic shark abundances have declined by 70% and the risk of extinction has reached more than half of all reef shark species, largely due to overfishing. This dramatic reduction threatens marine ecosystem st…
How coastal communities are shaping marine conservation outcomes: a comparative study of marine governance approaches in Kenya and Madagascar Open
Marine protected areas (MPA) are increasingly recognized as an effective management conservation tool to halt biodiversity erosion globally. However, the positive impacts of MPA on coastal communities are being debated, highlighting that s…
The Role Of Bait Type On Pelagic Longline Efficiency Open
No abstracts are to be cited without prior reference to the author.Longline catches depend on the responses of individuals to baited hooks. Pelagic longlining is an old fishing method targeting tuna around the world tropical area. The choi…
The rostral micro‐tooth morphology of blue marlin, <span><i>Makaira nigricans</i></span> Open
Billfish rostra potentially have several functions; however, their role in feeding is unequivocal in some species. Recent work linked morphological variation in rostral micro‐teeth to differences in feeding behavior in two billfish species…
View article: Diving into the vertical dimension of elasmobranch movement ecology
Diving into the vertical dimension of elasmobranch movement ecology Open
Knowledge of the three-dimensional movement patterns of elasmobranchs is vital to understand their ecological roles and exposure to anthropogenic pressures. To date, comparative studies among species at global scales have mostly focused on…
Shielding Fish to Protect Whales and Fishers Income Open
Some toothed whale species have gotten used to stealing or damaging fish that have been captured by the fishing equipment of fishers. This stealing is called depredation, and it is a problem for both fishers and toothed whales in all the o…
Short-Range Movement Pattern of Amphidromous Lagoon Fish Schools: Ecological Applications Open
High-resolution multibeam sonar allows estimating movements of pelagic fish schools at short range. Taking advantage of this methodology, we calculated a Straightness Index (SI) to quantify the proportion of schools migrating actively from…
View article: Global-Scale Environmental Niche and Habitat of Blue Shark (Prionace glauca) by Size and Sex: A Pivotal Step to Improving Stock Management
Global-Scale Environmental Niche and Habitat of Blue Shark (Prionace glauca) by Size and Sex: A Pivotal Step to Improving Stock Management Open
Blue shark ( Prionace glauca ) is amongst the most abundant shark species in international trade, however this highly migratory species has little effective management and the need for spatio-temporal strategies increases, possibly involvi…
Drivers of at-vessel mortality of the blue shark (<i>Prionace glauca</i>) and oceanic whitetip shark (<i>Carcharhinus longimanus</i>) assessed from monitored pelagic longline experiments Open
Elasmobranchs make up a significant part of bycatch in pelagic longline fisheries, whose induced mortality can be a major threat to endangered species. It is therefore crucial to understand the drivers of at-vessel mortality (AVM) for this…
Lacunae rostralis: A new structure on the rostrum of sailfish <i>Istiophorus platypterus</i> Open
Recent comparative studies of billfishes (Istiophoridae and Xiphiidae) have provided evidence of differences in the form and function of the rostra (bill) among species. Here, we report the discovery of a new structure, lacuna rostralis, o…
View article: Diving into the vertical dimension of elasmobranch movement ecology
Diving into the vertical dimension of elasmobranch movement ecology Open
Knowledge of the three-dimensional movement patterns of elasmobranchs is vital to understanding their ecological roles and exposure to anthropogenic pressures. To date, comparative studies among species at global scales have mostly focused…
View article: Diving into the vertical dimension of elasmobranch movement ecology
Diving into the vertical dimension of elasmobranch movement ecology Open
Knowledge of the three-dimensional movement patterns of elasmobranchs is vital to understanding their ecological roles and exposure to anthropogenic pressures. To date, comparative studies among species at global scales have mostly focused…
View article: Understanding fishery interactions and stock trajectory of yellowfin tuna exploited by Iranian fisheries in the Sea of Oman
Understanding fishery interactions and stock trajectory of yellowfin tuna exploited by Iranian fisheries in the Sea of Oman Open
The predominant policy for remedying the world fishing crisis aims at maximum sustainable yield (MSY) by adjusting gear selectivity and fishing effort to maintain sustainable stock levels. The yellowfin tuna (Thunnus albacares) fishery in …
Predicting bycatch hotspots in tropical tuna purse seine fisheries at the basin scale Open
Fisheries observer programs represent the most reliable way to collect data on fisheries bycatch. However, their limited coverage leads to important data gaps that preclude bycatch mitigation at the basin scale. Habitat models developed fr…
Spatio-temporal distribution of spinetail devil ray Mobula mobular in the eastern tropical Atlantic Ocean Open
The distribution of the spinetail devil ray Mobula mobular in the eastern tropical Atlantic remains poorly known compared to the Pacific and Indian Oceans. We used fishery-dependent data and generalized additive models to examine the envir…
OB7-IRD/t3: Beta version of T3 software Open
Beta release of T3R package This version contains a functional workflow to process tuna data. Major functionalities added : Implementation of the model layer in R6class Implementation of all logbooks standardization sub-processes Implement…