Where Have All the Frogs and Toads Gone?

• 1 June 1990
• journal article
• Published by Oxford University Press (OUP) in BioScience
• Vol. 40  (6) , 422-424
• https://doi.org/10.2307/1311385

Abstract

Keywords

• POPULATION DENSITY
• ELEMENTS
• ENVIRONMENTAL SCIENCE
• METALS
• ENVIRONMENTAL IMPACT
• GLOBAL CLIMATE CHANGE
• BIOLOGICAL INDICATOR
• PESTICIDES
• ACID DEPOSITION
• BIOLOGICAL INDICATORS
• ECOLOGY
• WILDLIFE MANAGEMENT
• GREENHOUSE EFFECT
• ACID RAIN
• ENVIRONMENTAL SCIENCES