Study on the blackbird (Agelaius ruficapillus Viellot-Emberizidae, Aves) in the rice production areas of Southern Rio Grande do Sul, Brazil
Subtitle: basis for a population control management program
By: Júlio J.C. da Silva
Contributors: Wageningen Universiteit
Publisher: [s.n.]
Published: 1999
Place of publication: Wageningen
Language: eng
Number of pages: 116
Subjects: Blackbirds; Rice
Notes: "Propositions" inserted.

Thesis (doctoral)--Universiteit Wageningen, 1999.

Includes bibliographical references (p. 98-108)