Biodiversitet (biologisk mångfald)
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Since the release of the documentary Blackfish in 2013, millions around the world have focused on the plight of the orca, the most profitable and controversial display animal in …
The first single, comprehensive source for locating North American public prairies, grasslands, and savannas, Prairie Directory of North America is a guide unlike any other. First …
The Amazon is a land of superlatives. The complex ecosystem covers an area about the size of the continental U.S. The Amazon River discharges 57 million gallons of water per …