In ecosystems, sharks can be predators, competitors, facilitators, nutrient transporters, and
food. However, overfishing and other threats have greatly reduced shark populations …

As marine aquaculture expands around the world, there is increased concern for impacts to
protected species. Documented cases of marine mammal, sea turtle, seabird, and shark …

The scale and drivers of marine biodiversity loss are being revealed by the International
Union for Conservation of Nature (IUCN) Red List assessment process. We present the first …

Sharks and rays are key functional components of coral reef ecosystems, yet many
populations of a few species exhibit signs of depletion and local extinctions. The question is …

Extinctions on land are often inferred from sparse sightings over time, but this technique is ill-
suited for wide-ranging species. We develop a space-for-time approach to track the spatial …

Overfishing is the most significant threat facing sharks and rays. Given the growth in
consumption of seafood, combined with the compounding effects of habitat loss, climate …

Over the past 4 decades there has been a growing concern for the conservation status of
elasmobranchs (sharks and rays). In 2002, the first elasmobranch species were added to …

Niche partitioning of time, space or resources is considered the key to allowing the
coexistence of competitor species, and particularly guilds of predators. However, the extent …

Area-based conservation is essential to safeguard declining biodiversity. Several
approaches have been developed for identifying networks of globally important areas based …

One third of chondrichthyan species (sharks, rays, and chimeras) are threatened with
extinction, mainly due to unsustainable fishing. Large accessible international markets for …