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Popular interest in the observation and study of freshwater invertebrates is increasing. A Guide to Common Freshwater Invertebrates of North America meets the needs of this growing audience of teachers, amateur naturalists, environmentalists, anglers, and others interested in aquatic biology by providing substantive information in non-technical language for about 100 of the most common groups of invertebrates found in the inland waters of North America. Section I of the book provides background on the biology and ecology of freshwater environments and explains why and how this group of organisms can be studied, simply and without complex equipment, in the field and the laboratory. Section II describes nearly 100 of the most common groups of invertebrates, usually at the taxonomic level of order or family. For each group, a whole-body color illustration is provided along with brief text pointing out the most important features to use to identify members of the group. Section III contains expanded descriptions of the life histories, behavior, and ecology of the various invertebrate groups, and identifies their important ecological contributions and relationships to humans. This guide has several strengths: it is broad in scope, geographically and taxonomically; it is written at a substantive yet easily accessible level that will appeal to both general readers and those with more advanced interest in the subject; and it contains numerous high-quality illustrations, including more than 100 specially commissioned color plates by the well-known scientific illustrator Amy Bartlett Wright, which will greatly facilitate the easy and rapid identification of specimens.
120 color photos of all North Woods damselflies easy-to-use phenograms bars on photos which indicate damselfly length
120 color photos | 144 pages 4-1/2" x 8-1/4" | softcover
This is the first fully illustrated guide to all 336 dragonfly and damselfly species of eastern North America--from the rivers of Manitoba to the Florida cypress swamps--and the companion volume to Dennis Paulson's acclaimed field guide to the dragonflies and damselflies of the West. Dragonflies and Damselflies of the East features hundreds of color photos that depict all the species found in the region, detailed line drawings to aid in-hand identification, and a color distribution map for every species--and the book's compact size and user-friendly design make it the only guide you need in the field. Species accounts describe key identification features, distribution, flight season, similar species, habitat, and natural history. Paulson's authoritative introduction offers a primer on dragonfly biology and identification, and also includes tips on how to study and photograph these stunningly beautiful insects.
The common Green Darner makes a 1,000-mile migration to the southern United States. The Dragonhunter is a dragonfly so fierce, it eats large butterflies and even other dragonflies! 2004 National Outdoor Book Award Winner 200 color photos | 214 pages 4-1/2" x 8-1/4" | softcover
251 pages, format 8½ x 11, reliure spiralée.
16.8 X 11.4 cm 352 pages
Auteur : Yves Dubuc Prix : 9.95 $ ISBN : 978-2-89000-894-6 Format : 11,5 X 22 cm (fermé), 69 X 44 cm (ouvert) Illustrations Couleurs
Le volume de Pilon et Lagacé offre un inventaire historique et complet, illustré de cartes, de la répartition spatiale de ces libellules, en relation avec les cinq zones bioclimatiques du territoire québécois.
Cette compilation repose sur une revue exhaustive de la littérature scientifique, des origines jusqu’à l’année de publication. On remarque que les 30 dernières années de terrain ont considérablement changé nos connaissances sur ces insectes par la compilation des données de récolte, d’habitat et de la période de vol. En outre, des tables illustrées de détermination permettent l’identification des 138 espèces et sous-espèces recensées au Québec. On compte un total de 367 pages, 240 illustrations et 138 cartes. Il s’agit d’un instrument de référence nécessaire et indispensable pour qui s’intéresse scientifiquement aux libellules de ce territoire.
276 pages 4 1/2'' X 8 1/4''
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