Knowra Amphibian decline Amphibian decline Amphibian decline is the widespread reduction of amphibian populations and species. It is driven by interacting pressures including habitat loss, disease, pollution, climate change, and invasive species.
Chytridiomycosis : A disease of amphibians caused by chytrid fungi that infect the skin and can disrupt water and electrolyte balance. The fungal disease has caused severe declines and extinctions across several amphibian groups.
Amphibia : A class of vertebrates that includes frogs, toads, salamanders, newts, and caecilians. Decline assessments cover this entire vertebrate class, not only frogs.
Golden toad : An extinct, brightly colored toad endemic to the Monteverde cloud forests of Costa Rica. Its disappearance became a prominent example of a rapid amphibian decline in a protected habitat.
Amphibian monitoring : The systematic observation of amphibian populations, distributions, breeding, and health over time. Repeated surveys reveal declines that isolated sightings cannot establish.
Amphibian chytrid fungus : A group of chytrid fungi that infect amphibians, including species that cause chytridiomycosis. The origins, spread, and ecological persistence of these pathogens remain central questions in decline research.
Batrachochytrium dendrobatidis : A chytrid fungus that infects amphibian skin and causes chytridiomycosis. This pathogen has driven major declines, especially in susceptible frogs.
Amphibian : An ectothermic vertebrate in the class Amphibia, often with a life cycle that includes aquatic larvae and terrestrial adults. Shared traits such as permeable skin and aquatic breeding shape broad vulnerability patterns.
Panamanian golden frog : A critically endangered or possibly extinct Panamanian frog known for its golden coloration and social signaling. Its collapse in the wild was associated with chytridiomycosis and helped expose the scale of the disease threat.
Amphibian chytrid surveillance : The detection and tracking of chytrid fungi in amphibians and their environments. Surveillance can identify pathogen spread before visible population losses are fully understood.
Synergistic effects : Effects in which combined factors produce a larger or otherwise different outcome than their separate effects predict. Researchers investigate whether interacting stressors amplify amphibian losses beyond their individual impacts.
Show all 26 Linked from 22 pages Biodiversity loss Broader topic : Amphibians illustrate multiple interacting threats, including habitat loss, climate change, and disease.
Anura Related : Frogs and toads are prominent among populations affected by habitat loss, disease, and other pressures.
Eastern newt Narrower topic : Habitat loss, disease, and environmental change can threaten newt populations.
Defaunation Broader topic : Amphibian losses show how disease and habitat change can drive declines beyond direct hunting.
Cloud forest Related : Cloud-forest amphibians face habitat loss, disease, and changing temperature and moisture.
Frog Related : Frogs are among the groups most affected by this global biodiversity crisis.
Salamander Related : Salamanders are among the groups affected by habitat loss, disease, and environmental change.
Lissamphibia Related : Population losses across all three living lineages affect Lissamphibia globally.
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