A Monograph of the Hirundinidæ, Or Family of Swallows, Vol. 2 (Classic Reprint) PDF Download
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Author: Richard Bowdler Sharpe Publisher: Forgotten Books ISBN: 9781333481049 Category : Science Languages : en Pages : 460
Book Description
Excerpt from A Monograph of the Hirundinidae, or Family of Swallows, Vol. 2 On taking possession of our native house at Tamsuy, I observed a nest of this Swallow under the rafters in the central hall. It was exteriorly built of specks of mud, like the nests of the Martin, but had a neck-like entrance, giving the whole the form of a French ask, attened against the roof; the inside was lined amply with feathers. Pallas's figure gives a very good idea of its structure. The mouth, however, 'does not always point upwards, but is adapted in form and direction to the shape of the spot against which it is placed. At the close of March the pair to which the nest belonged returned, and in April began to repair the old nest. Towards the close of this month the female was sitting on three white, unspotted eggs. The male and female share the duties of incubation, the female usually taking the longest spell. For the sake of science, we let the birds have their own way, though they made a great mess about our small house, and nearly drove us wild with their loud discordant twittering. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Author: Richard Bowdler Sharpe Publisher: Forgotten Books ISBN: 9781333481049 Category : Science Languages : en Pages : 460
Book Description
Excerpt from A Monograph of the Hirundinidae, or Family of Swallows, Vol. 2 On taking possession of our native house at Tamsuy, I observed a nest of this Swallow under the rafters in the central hall. It was exteriorly built of specks of mud, like the nests of the Martin, but had a neck-like entrance, giving the whole the form of a French ask, attened against the roof; the inside was lined amply with feathers. Pallas's figure gives a very good idea of its structure. The mouth, however, 'does not always point upwards, but is adapted in form and direction to the shape of the spot against which it is placed. At the close of March the pair to which the nest belonged returned, and in April began to repair the old nest. Towards the close of this month the female was sitting on three white, unspotted eggs. The male and female share the duties of incubation, the female usually taking the longest spell. For the sake of science, we let the birds have their own way, though they made a great mess about our small house, and nearly drove us wild with their loud discordant twittering. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Author: Richard Bowdler Sharpe Publisher: Forgotten Books ISBN: 9780364002476 Category : Science Languages : en Pages : 458
Book Description
Excerpt from A Monograph of the Hirundinidæ, or Family of Swallows, Vol. 2 Table of Geographical Distribution of the Genus hirundo (continued). Hiuruniio'hyperythra [no Plate. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Carol A. Johnston Publisher: Springer ISBN: 3319615335 Category : Science Languages : en Pages : 303
Book Description
Bridging the fields of ecosystem science and landscape ecology, this book integrates Dr. Carol Johnston's research on beaver ecosystem alteration at Voyageurs National Park. The findings about the vegetation, soils, and chemistry of beaver impoundments synthesized in the text provide a cohesive reference useful to wetland scientists, ecosystems and landscape ecologysts, wildlife managers, and students. The beaver, Castor canadensis, is an ecosystem engineer unequaled in its capacity to alter landscapes through browsing and dam building, whose population recovery has re-established environmental conditions that probably existed for millenia prior to its near extirpation by trapping in the 1800s and 1900s. Beavers continue to regain much of their natural range throughout North America, changing stream and forest ecosystems in ways that may be lauded or vilified. Interest in beavers by ecologists remains keen as new evidence emerges about the ecological, hydrological, and biogeochemical effects of beaver browsing and construction. There is a critical need for ecologists and land managers to understand the potential magnitude, persistence, and ecosystem services of beaver landscape transformation. The 88-year record of beaver landscape occupation and alteration documented by Dr. Carol Johnston and colleagues from aerial photography and field work provides a unique resource toward understanding the ecosystem effects and sustainability of beaver activity.
Author: Opender Koul Publisher: CRC Press ISBN: 0203302567 Category : Science Languages : en Pages : 204
Book Description
Their natural enemies largely determine the population size and dynamic behavior of many plant-eating insects. Any reduction in enemy number can result in an insect outbreak. Applied biological control is thus one strategy for restoring functional biodiversity in many agroecosystems. Predators and Parasitoids addresses the role of natural enemies i
Author: Diego Santiago-Alarcon Publisher: Springer Nature ISBN: 3030516334 Category : Science Languages : en Pages : 575
Book Description
The Tropics are home to the greatest biodiversity in the world, but tropical species are at risk due to anthropogenic activities, mainly land use change, habitat loss, invasive species, and pathogens. Over the past 20 years, the avian malaria and related parasites (Order: Haemosporida) systems have received increased attention in the tropical regions from a diverse array of research perspectives. However, to date no attempts have been made to synthesize the available information and to propose new lines of research. This book provides such a synthesis by not only focusing on the antagonistic interactions, but also by providing conceptual chapters on topics going from avian haemosporidians life cycles and study techniques, to chapters addressing current concepts on ecology and evolution. For example, a chapter synthesizing basic biogeography and ecological niche model concepts is presented, followed by one on the island biogeography of avian haemosporidians. Accordingly, researchers and professionals interested in these antagonistic interaction systems will find both an overview of the field with special emphasis on the tropics, and access to the necessary conceptual framework for various topics in ecology, evolution and systematics. Given its conceptual perspective, the book will appeal not only to readers interested in avian haemosporidians, but also to those more generally interested in the ecology, evolution and systematics of host-parasite interactions.
Author: Richard Bowdler Sharpe
Author: Richard Bowdler Sharpe
Author: Richard Bowdler Sharpe
Author: Bernard Quaritch (Firm)
Author: Robert Leslie Usinger
Author: J. Michael Scott
Author: Frank Karslake
Author: Frederick Halsey Sheldon
Author: Carol A. Johnston
Author: Opender Koul
Author: Diego Santiago-Alarcon