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Topic: density dependence

Answers to questions: why tropical forests are so ecologically diverse?

Working with high-resolution satellite imaging technology, researchers from Brown University and the University of California, Los Angeles have uncovered new clues in an age-old...

Arctic seabird populations respond to climate change

Seabirds such as gulls can be key indicators of environmental change as their populations respond to shifts in their ocean habitat over time. A...

Declines of specific animal species affect Amazonian forests

Human hunting of large Amazon rain forest animals--such as spider monkeys, capuchin monkeys, tapirs and white-lipped peccaries, as well as some bird species such...

Hunting is changing forests, but not as expected

When it comes to spreading their seeds, many trees in the rainforest rely on animals, clinging to their fur or hitching a ride within...