Sentence examples for has caused declines from inspiring English sources

In the first example, little to no regulation of groundwater use for irrigation has caused declines in groundwater levels resulting in loss of baseflow to streams and threatening future water supply.

More generally, the loss or disruption to tern colonies caused by human activities has caused declines in many species.

However, there are concerns for populations in some areas such as the Gulf of Thailand where the species no longer breeds, and in Indonesia where egg harvesting has caused declines.

Brevetoxins can also kill large numbers of fish, which has caused declines in both commercial and recreational fish stocks.

Economic restructuring and the increasing emphasis on the private sector has caused declines in educational opportunities, particularly for girls.

Low MHC diversity has been implicated in the rapid spread of an infectious cancer that has caused declines in Tasmanian devil populations [ 40].

Where M. cerebralis has become well-established, it has caused decline or even elimination of whole cohorts of fish.

"Sardines With Your Bagel?," by Taras Grescoe (Op-Ed, June 9), about swearing off salmon, is on the mark in describing how urbanization, dams, agriculture and other human activities have caused declines in Pacific salmon, especially the mighty chinook or king salmon.

He said domestic grazing and fires had caused declines in tree such as birch and willow.

For example, Norway rats (Rattus norvegicus) predate many native species and have caused declines in native bird species and small mammal species.

The Colorado's average temperature once ranged from 85 F at the height of summer to near freezing in winter, but modern flows through the Grand Canyon, for example, rarely deviate significantly from 46 F. Changes in temperature regime have caused declines of native fish populations, and stable flows have enabled increased vegetation growth, obstructing riverside habitat.