Results 141 to 150 of about 118,369 (328)

Spatial conservation priorities for marine megafaunal predators: Multi‐taxon versus taxon‐specific approaches

open access: yesConservation Science and Practice, EarlyView.
Conservation for marine megafaunal predators needs to improve as they are key for ecosystem functioning. We show that different marine predator taxonomic groups have heterogeneous distributions resulting in different spatial conservation priority areas. Current Mediterranean MPAs are failing to sufficiently cover their distributions.
Elizabeth Boyse   +2 more
wiley   +1 more source

Breaking down silos: Conservation areas for Amazonian flagship terrestrial and freshwater species

open access: yesConservation Science and Practice, EarlyView.
This study shows that 17% of the Amazon River Basin is covered by areas of high jaguar density and freshwater migratory species richness, 83% of which are found in Brazil and Peru. A third of these areas are located outside of formal protected areas or Indigenous territories.
Natalie Shahbol   +16 more
wiley   +1 more source

Controlled Ghost Fishing: Effects of Soaking Times and Mesh Sizes on Catchability in Trammel Net Fisheries

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Trammel nets are used with extended soaking times to increase the catching efficiency for demersal fish in commercial fishing. Long soaking time causes deterioration or damage to species caught in the first days. Effects of soaking time were investigated with 36‐mm, 42‐mm, and 46‐mm mesh sizes soaked over 1, 3, 5, and 7 days on target, non ...
Yusuf Şen, Uğur Özekinci
wiley   +1 more source

Temporal Trends in Relative Abundance of Billfish and Other Large Pelagic Fish in Recreational Fisheries of Costa Rica

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Fishing tourism of sailfish and accompanying species represents a significant source of income for Costa Rica. However, little information is available regarding trends in the availability of these species to recreational fleets. We estimated temporal trends in catch per unit effort (CPUE) for sailfish, marlins, yellowfin tuna, and mahi mahi ...
Johel Chaves‐Campos   +2 more
wiley   +1 more source

Types of Linkage of Quadratic Pfister Forms

open access: yes, 2018
Given a field $F$ of positive characteristic $p$, $\theta \in H_p^{n-1}(F)$ and $\beta,\gamma \in F^\times$, we prove that if the symbols $\theta \wedge \frac{d \beta}{\beta}$ and $\theta \wedge \frac{d \gamma}{\gamma}$ in $H_p^n(F)$ share the same ...
Chapman, Adam, Dolphin, Andrew
core  

Integration of Multiple Data Types to Document Spatial Effort in a Recreational Fishery for Highly Migratory Species in Relation to Offshore Wind Development

open access: yesFisheries Oceanography, EarlyView.
ABSTRACT The expansion of offshore wind interests in US waters has raised concern over potential adverse impacts to fisheries activity and productivity. Yet evidence‐based platforms for assessing those impacts are lacking for many recreational fisheries.
Jeff Kneebone   +8 more
wiley   +1 more source

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