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A Colour-polymorphism in caterpillars of Bupalus piniarius L.

A Colour-polymorphism in caterpillars of Bupalus piniarius L. PDF Author: Marius Henricus den Boer
Publisher: Brill Archive
ISBN:
Category : Bordered white (Insect)
Languages : en
Pages : 66

Book Description


A Colour-polymorphism in caterpillars of Bupalus piniarius L.

A Colour-polymorphism in caterpillars of Bupalus piniarius L. PDF Author: Marius Henricus den Boer
Publisher: Brill Archive
ISBN:
Category : Bordered white (Insect)
Languages : en
Pages : 66

Book Description


The Ethology of Predation

The Ethology of Predation PDF Author: E. Curio
Publisher: Springer Science & Business Media
ISBN: 3642810284
Category : Science
Languages : en
Pages : 260

Book Description
Predation is an ecological factor of almost universal importance for the biol ogist who aims at an understanding of the habits and structures of animals. Despite its pervasive nature opinions differ as to what predation really is. So far it has been defined only in negative terms; it is thought not to be par asitism, the other great process by which one organism harms another, nor filter-feeding, carrion-eating, or browsing. Accordingly, one could define predation as a process by which an animal spends some effort to locate a live prey and, in addition, spends another effort to mutilate or kill it. Ac cording to this usage of the word a nudibranch, for example, that feeds on hydroids would be a predator inasmuch as it needs some time to locate col onies of its prey which, after being located, scarcely demand more than eating, which differs little from browsing. From the definition just proposed consumption of the prey following its capture has been intentionally omit ted. Indeed, an animal may be disposed of without being eaten. Hence the biological significance of predation may be more than to maintain nutrition al homeostasis. In fact, predation may have something in common with the more direct forms of competition, a facet that will be only cursorily touched upon in this book.

Behavioral Mechanisms in Ecology

Behavioral Mechanisms in Ecology PDF Author: Douglass H. Morse
Publisher: Harvard University Press
ISBN: 9780674064614
Category : Science
Languages : en
Pages : 404

Book Description
Discusses the relationships of animals to their resources.

Ornithology

Ornithology PDF Author: Frank B. Gill
Publisher: Macmillan
ISBN: 9780716724155
Category : Fiction
Languages : en
Pages : 802

Book Description
Approaches the subject from a biological and evolutionary perspective rather than just identification.

Netherlands Journal of Zoology

Netherlands Journal of Zoology PDF Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 608

Book Description


Caterpillars

Caterpillars PDF Author: Nancy E. Stamp
Publisher: Springer
ISBN:
Category : Nature
Languages : en
Pages : 620

Book Description
Caterpillars are excellent model systems for the investigation of insect-plant interactions, predator-prey interactions, and insect physiology. Despite this, however, there is at present only a limited understanding of the constraints on foraging patterns of caterpillars. A major problem is the difficulty of designing and analyzing experiments which account for multiple constraints. Caterpillars: Ecological and Evolutionary Constraints on Foraging reviews the present state of research into caterpillar biology while arguing for a multiple factor approach in studying insect herbivores. Written by leading authorities in entomology and ecology, it provides an explicit framework for carrying out such investigations. The book details the constraints of the foraging patterns of caterpillars, including phylogenetic constraints, the physical environment, nutritional supply and demand, predators, and plant chemical defenses. It also analyzes caterpillar adaptations, such as sociality, mutualism, aposematism, and cryptic morphology, and covers population dynamics and the influence of environmental factors upon tropical, temperate, and arctic caterpillars. The book concludes with a discussion of the implications of this material for pest management, forest systems, and agroecosystems.

Adaptive Coloration in Invertebrates

Adaptive Coloration in Invertebrates PDF Author:
Publisher:
ISBN:
Category : Camouflage (Biology)
Languages : en
Pages : 162

Book Description


Verhandeling - Rijksinstituut Voor Natuurbeheer

Verhandeling - Rijksinstituut Voor Natuurbeheer PDF Author: Rijksinstituut voor Natuurbeheer
Publisher:
ISBN:
Category : Nature conservation
Languages : en
Pages : 906

Book Description


The Bases for Integrated Pest Management

The Bases for Integrated Pest Management PDF Author: International Union of Forestry Research Organizations
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 36

Book Description


Insects and Plant Defence Dynamics

Insects and Plant Defence Dynamics PDF Author: T. N. Ananthakrishnan
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 276

Book Description
This book attempts to unfold an integrated approach to diverse aspects of plant defence systems against insects, very vital for a better understanding of the modus operandi involved in sustained productivity in agricultural systems."--BOOK JACKET.