| Abstract: | In 1975 and 1976, 8 teams of investigators located 262 colonies of nesting herons and their allies along the Atlantic coast from Florida to Maine [USA]. Fourteen species [Ajaia ajaja, Plegadis falcinellus, Nycticorax nycticorax, Ardea herodias, Eudocimus albus, Egretta thula, Hydranassa tricolor, Bubulcus ibis, Casmerodius albus, Butorides striatus, Florida caerulea, Dichromanassa rufescens, Nyctanassa violacea and Mycteria americana] were found in Florida, numbers decreasing to 7 in Maine. Colonies censused in the extreme south and north of the study area were lower in number of species and number of adults than those in the intermediate area. More than 90% of the colony sites surveyed in 1975 were active in 1976. The total number of nesting adults per colony, number of species per colony and number of nesting adults of each species per colony in 1976 were significantly correlated with their respective values for 1975. Abandoned and new colonies may be satellites of nearby reused colonies; they had fewer individuals and species than reused colonies and were closer to reused colonies than reused colonies were to each other. [This study was part of an attempt to examine colonially nesting herons as biological indicators of environmental quality.] |
| Genre: | Article |
| ProdID: | 1003088 |
| Citation Author: | Custer, T. W. ; Osborn, R. G. ; Stout, W. F. |
| Citation Contributing Office: | Upper Midwest Environmental Sciences Center |
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| Citation End Page: | 600 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Auk |
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| Citation Number Of Pages: | 10 |
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| Citation Phsyical Description: | pp. 591-600 |
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| Citation Publisher: | U.S. Fish and Wildlife Service |
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| Citation Search Results Text: | Distribution species abundance and nesting site use of Atlantic coast colonies of herons and their allies; 1980; Article; Journal; Auk; Custer, T. W. ; Osborn, R. G. ; Stout, W. F. |
| Citation Start Page: | 591 |
| Citation Volume: | 97 |
| Citation Year: | 1980 |
| Type: | citation/reference |
| Text: | Distribution species abundance and nesting site use of Atlantic coast colonies of herons and their allies; 1980; Article; Journal; Auk; Custer, T. W. ; Osborn, R. G. ; Stout, W. F. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1980 00:00 -0600 |
| Publisher: | U.S. Fish and Wildlife Service |
