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The bird community of shade-grown ye...

Cockle, Kristina L.

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The bird community of shade-grown yerba mate and adjacent Atlantic Forest in Canindeyu, Paraguay.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The bird community of shade-grown yerba mate and adjacent Atlantic Forest in Canindeyu, Paraguay./
Author:	Cockle, Kristina L.
Description:	105 p.
Notes:	Source: Masters Abstracts International, Volume: 41-06, page: 1662.
Contained By:	Masters Abstracts International41-06.
Subject:	Biology, Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ79530
ISBN:	0612795306

The bird community of shade-grown yerba mate and adjacent Atlantic Forest in Canindeyu, Paraguay.
Cockle, Kristina L.

The bird community of shade-grown yerba mate and adjacent Atlantic Forest in Canindeyu, Paraguay. - 105 p.

Source: Masters Abstracts International, Volume: 41-06, page: 1662.

Thesis (M.Sc.)--Dalhousie University (Canada), 2003.

The Atlantic forest of Paraguay, Brazil, and Argentina is one of the world's most diverse and threatened ecosystems. It is being cleared rapidly to make way for export crops and cattle.

ISBN: 0612795306Subjects--Topical Terms:

1017726
Biology, Ecology.

The bird community of shade-grown yerba mate and adjacent Atlantic Forest in Canindeyu, Paraguay.
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035 $a (UnM)AAIMQ79530
035 $a AAIMQ79530
040 $a UnM $c UnM
100 1 $a Cockle, Kristina L. $3 1929548
245 1 4 $a The bird community of shade-grown yerba mate and adjacent Atlantic Forest in Canindeyu, Paraguay.
300 $a 105 p.
500 $a Source: Masters Abstracts International, Volume: 41-06, page: 1662.
500 $a Adviser: Marty L. Leonard.
502 $a Thesis (M.Sc.)--Dalhousie University (Canada), 2003.
520 $a The Atlantic forest of Paraguay, Brazil, and Argentina is one of the world's most diverse and threatened ecosystems. It is being cleared rapidly to make way for export crops and cattle.
520 $a An alternative to clearing the native forest completely is to remove only the understory, then plant crops such as yerba mate (Ilex paraguariensis ) under the forest trees. In other regions, the shade-grown crops most often used by forest birds have diverse tree species, high canopy cover, adjacent forest, and low input of agrochemicals. In this study, I describe the bird community of a shade-grown yerba mate plantation with these characteristics, and compare it to that of nearby Atlantic forest.
520 $a I used spot-mapping and encounter rates to compare the diversity and abundance of birds in a plantation of shade-grown yerba mate to that in the surrounding forest.
520 $a To determine whether a higher density of subcanopy trees and higher canopy cover would allow more forest birds to use the plantation, I also compared the abundance of birds between two areas within the plantation that differed in tree density, canopy cover, and the amount of contact with native forest. (Abstract shortened by UMI.)
590 $a School code: 0328.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Agriculture, Forestry and Wildlife. $3 783690
690 $a 0329
690 $a 0478
710 2 0 $a Dalhousie University (Canada). $3 1017625
773 0 $t Masters Abstracts International $g 41-06.
790 1 0 $a Leonard, Marty L., $e advisor
790 $a 0328
791 $a M.Sc.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ79530