Kelp and macroalgal forests provide the ecological foundations of many temperate rocky
reef ecosystems, but have regionally declined, often due to sea urchin overgrazing and the …

Executive summary Worldwide the supply of sea urchins has diminished in the last few
years, from the peak landings of about 120 thousand tonnes in 1995 to the current levels of …

Trophic cascades—the top-down regulation of ecosystems by predators—are an essential
aspect of ecosystem function and well-being. Trophic cascades are often drastically …

In recent decades, invertebrate fisheries have expanded in catch and value worldwide. One
increasingly harvested group is sea cucumbers (class Holothuroidea), which are highly …

POLICYFORUM markets until 1975, when it rapidly expanded into an export fishery (11).
Spatial expansion masked regional depletions, a common characteristic of sequential …

Background Worldwide, finfish fisheries are receiving increasing assessment and
regulation, slowly leading to more sustainable exploitation and rebuilding. In their wake …

Issues of sustainability and increased competition over coastal resources are changing
practices of resource management. Societal concerns about environmental degradation and …

Large Carnivores and the Conservation of Biodiversity brings together more than thirty
leading scientists and conservation practitioners to consider a key question in environmental …

Blooms of benthic dinoflagellates belonging to the tropical genus Ostreopsis are an
increasingly common phenomenon in temperate regions worldwide. This is reflected in the …

Global concerns about the depletion of marine stocks have been widely documented in
industrial fisheries. However, small-scale artisanal fisheries constitute a second component …