Finding:

1. close

   Mute Swan

   However, numbers fluctuate, due to die-offs caused by pollution, degraded lead in water bodies, installation of towers and high wires, and loss of habitat due to development.
2. close

   Decline in amphibian populations

   These causes include habitat modification and fragmentation, introduced predators or competitors, introduced species, pollution, pesticide use, or over-harvesting. ... Although the immediate cause of the die offs was the chytrid, climate change played a pivotal role in the extinctions.
3. close

   Viral hemorrhagic septicemia

   Before the Type IVb die-offs in the Great Lakes, few states regulated transfer of live species other than for salmonids. ... VHSV is a hemorrhagic disease, meaning it causes bleeding.
4. close

   Causes of the Black Death

   The brown rat was not as prone to transmit the germ-bearing fleas to humans in large die-offs due to a different rat ecology. ... Migration · Causes · Consequences · In contemporary culture
5. close

   Black Death

   Causes of the bubonic infection ... The brown rat was not as prone to transmit the germ-bearing fleas to humans in large die-offs due to a different rat ecology.
6. close

   Aspergillosis

   Aspergillosis of the ear canal causes itching and occasionally pain. ... Aspergillosis has been the culprit in several recent rapid die-offs among waterfowl.
7. close

   Trophic state index

   If the algal biomass in a lake or other water body reaches too high a concentration (say <80 TI), massive fish die-offs may occur as decomposing biomass deoxygenates the water. ... Water pollution
8. close

   Lake Nakuru

   Pollution and drought destroy the flamingos' food, Cyanobacteria, or blue-green algae, and causing them to migrate to the nearby Lakes, more recently lakes Elmenteita, Simbi Nyaima and Bogoria. ... National Geographic – "Mysterious Kenya Flaming Die-Offs Tied to Toxins, Study Says" (November 2002)
9. close

   Imidacloprid

   Imidacloprid is receiving increased attention as a possible factor in Colony Collapse Disorder, a mysterious condition that causes sudden death of honey bee populations. Mass die-offs of bees threaten pollination of food crops in the USA and Europe.
10. close

    Ulmus americana

    DED is an introduced fungal disease which has ravaged the American Elm, causing catastrophic die-offs in cities across the range.

Explore the following pages on Powerset:

• Mute Swan,
• Decline in amphibian populations,
• Viral hemorrhagic septicemia,
• Causes of the Black Death,
• Black Death,
• Aspergillosis,
• Trophic state index,
• Lake Nakuru,
• Imidacloprid,
• Ulmus americana