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Résultats de la recherche

Chronic toxicity is the most important variable in predicting negative bird population trends associated with pesticides

... of corn and amount of soybeans and between Bobolink (Dolichonyx oryzivorus) abundance and amount of oats (p<0.05). Additionally, linear ...

Story - Henk Tennekes - 01/08/2012 - 08:17 - 1 commentaire - 1 fichier attaché

Many Canadian bird species in decline

... of grassland birds, such as meadowlarks and bobolinks Dolichonyx oryzivorus, have fallen by 45 per cent since 1970; some species that thrive in ...

Story - Henk Tennekes - 27/06/2012 - 16:49 - 1 commentaire - 0 fichier attaché

Top 20 Common US Birds in Decline

... are threatened by changes in farming. - Bobolink Dolichonyx oryzivorus: The population of the Bobolink, which nests in hayfields and other ...

Story - Henk Tennekes - 27/10/2011 - 09:47 - 1 commentaire - 2 fichiers attachés