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Overfishing Crossword

Across
a hierarchical series of organisms each dependent on the next as a source of food.
a place where fish are reared for commercial purposes.
an area in the sea that contains no life
a term that describes what happens when derelict fishing gear 'continues to fish'
also called overharvesting, refers to harvesting a renewable resource to the point of diminishing returns
a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
the unwanted fish and other marine creatures caught during commercial fishing for a different species
occur when small shifts in human pressures or environmental conditions bring about large, sometimes abrupt changes in an ecosystem
illegal method of catching fish by dragging a large net across the ocean floor
Down
the removal of a species of fish from a body of water at a rate that the species cannot replenish in time, resulting in those species either becoming depleted or very underpopulated in that given ar
ability to harvest enough of a species while keeping it stable
the variety of life in the world or in a particular habitat or ecosystem.
an ecological phenomenon triggered by the addition or removal of top predators and involving reciprocal changes in the relative populations of predator and prey through a food chain
illegal method of catching fish by setting a net across the ocean floor so that fish get caught in the net
the maximum number of living organisms of a particular species that can be supported in a given environment
he act of removing silt and other material from the bottom of bodies of water