There is no debate between researchers from anywhere in the world over whether or not amphibian populations have been declining. They have been. These researchers have been studying amphibians from various parts of the globe to discover what has been causing this alarming decrease. The truth is, the severe decline in amphibian population is directly related to the over population of humans. transition
Amphibians have always been survivors. They did, after all, survive two extinction
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has not been proven that this is true, but it is certain that the changes humans are making are causing amphibian populations to suffer tremendous losses.
Canadian Amphibian and Reptile Conservation Network (CARCN). http://www.cciw.ca/ecowatch/dapcan/about/f_0.htm
Declining Amphibian Population Task Force (DAPTF). http://www.open.ac.uk/OU/Academic/Biology/J_Baker/JBtxt.htm
North American Amphibian Monitoring Program (NAAMP). http://www.mpl-pwrc.usgs.gov/amphibs.html