Sentence examples for breeding ponds from inspiring English sources

Part of the problem, experts say, is that breeding ponds in China are overcrowded to bolster production in the gigantic factory-style fish farms.

The viruses, which are shed in feces and linger in water, turn Arctic breeding ponds into a duck soup of influenza, and migratory birds carry antibodies to many strains.

Isolated by roads and other infrastructure, there is no hope for these charismatic amphibians should their breeding ponds be removed, trashed or left for dead, and so it is that they have faced a two-thirds population decline in the same 30 years that giraffe numbers have dwindled.

Contamination of breeding ponds with agrochemicals can provoke developmental effects.

This risk is highest during spring migration from hibernation sites into breeding ponds.

Besides, the males need all the help they can get in fathering offspring: They outnumber the females in breeding ponds.

That elite breeding pond, almost dry now, is worth memorializing.

We also examined the effects of breeding pond habitat loss on population growth rates.

Heterogeneity in breeding pond hydroperiod across the landscape may allow amphibian populations to persist despite variable interannual precipitation.

To this end, we used multivariate analysis on three scales of habitat: the breeding pond, the land use and the climatologic features.

For example, the onset of breeding activity of the common toad (Bufo bufo) in the United Kingdom is linked to the number of days with mean temperatures above 6°C during the 40 days preceding arrival at the breeding pond [3].