Carte How Species Interact Roger Arditi

How Species Interact

Autor: Roger Arditi
Limbă: engleză
Legare: Copertă tare
Disponibilitate: În depozitul extern
Expediem în 10-18 zile
454.70 lei
Understanding the functioning of ecosystems requires the understanding of the interactions between c...

Informații despre carte

Autor
Limbă
engleză
Legare
Carte - Copertă tare
Publicat
2012
Pagini
192
EAN
9780199913831
ISBN
0199913838
Enbook ID
01324389
Greutate
398
Dimensiuni
164 x 236 x 14

Descriere completă

Understanding the functioning of ecosystems requires the understanding of the interactions between consumer species and their resources. How do these interactions affect the variations of population abundances? How do population abundances determine the impact of predators on their prey? The view defended in this book is that the "null model" that most ecologists tend to use is inappropriate because it assumes that the amount of prey consumed by each predator is insensitive to the number of conspecifics. The authors argue that the amount of prey available per predator, rather than the absolute abundance of prey, is the basic determinant of the dynamics of predation. This so-called ratio dependence is shown to be a much more reasonable "null model."

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