Revision of the North American Species of the Genus Juncus (Classic Reprint) PDF Download
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Author: George Engelmann
Publisher: Forgotten Books
ISBN: 9780332390468
Category : Science
Languages : en
Pages : 84
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Book Description
Excerpt from Revision of the North American Species of the Genus Juncus It was thought best to add a second table, giving the extremes of every month and every year in those seven years, as the extremes are of more practical importance for the boatmen, as well as the inhabitants of the banks, than the means. The table shows that from September to February the river has never been higher than 17 feet, from March to July never lower than 6 feet, and in April, May, and June never lower than 8 feet above low water mark. The lowest stage, zero, was observed on December 21, 1863, and the highest, feet, on July 27, 1844. 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: George Engelmann
Publisher: Forgotten Books
ISBN: 9780332390468
Category : Science
Languages : en
Pages : 84
Get Book Here
Book Description
Excerpt from Revision of the North American Species of the Genus Juncus It was thought best to add a second table, giving the extremes of every month and every year in those seven years, as the extremes are of more practical importance for the boatmen, as well as the inhabitants of the banks, than the means. The table shows that from September to February the river has never been higher than 17 feet, from March to July never lower than 6 feet, and in April, May, and June never lower than 8 feet above low water mark. The lowest stage, zero, was observed on December 21, 1863, and the highest, feet, on July 27, 1844. 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: George Engelmann
Publisher:
ISBN:
Category : Juncus
Languages : en
Pages : 39
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Book Description
Author: George Engelmann
Publisher:
ISBN:
Category : Juncus
Languages : en
Pages : 424
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Book Description
Author: George Engelmann
Publisher:
ISBN: 9783337804923
Category :
Languages : en
Pages : 84
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Book Description
Author: George Engelmann
Publisher:
ISBN:
Category : Juncus
Languages : en
Pages : 84
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Book Description
Author: Robert E. Pfadt
Publisher:
ISBN:
Category : Grasshoppers
Languages : id
Pages : 370
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Book Description
Author: Charles Sprague Sargent
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 550
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Book Description
Author: Dominic Price
Publisher:
ISBN: 9781999873202
Category : Cyperaceae
Languages : en
Pages : 73
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Book Description
Author: Robert A. Francis
Publisher: Routledge
ISBN: 9780815378716
Category :
Languages : en
Pages : 456
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Book Description
Invasive non-native species are a major threat to global biodiversity. Often introduced accidentally through international travel or trade, they invade and colonize new habitats, often with devastating consequences for the local flora and fauna. Their environmental impacts can range from damage to resource production (e.g. agriculture and forestry) and infrastructure (e.g. buildings, road and water supply), to human health. They consequently can have major economic impacts. It is a priority to prevent their introduction and spread, as well as to control them. Freshwater ecosystems are particularly at risk from invasions and are landscape corridors that facilitate the spread of invasives. This book reviews the current state of knowledge of the most notable global invasive freshwater species or groups, based on their severity of economic impact, geographic distribution outside of their native range, extent of research, and recognition of the ecological severity of the impact of the species by the IUCN. As well as some of the very well-known species, the book also covers some invasives that are emerging as serious threats. Examples covered include a range of aquatic and riparian plants, insects, molluscs, crustacea, fish, amphibians, reptiles and mammals, as well as some major pathogens of aquatic organisms. The book also includes overview chapters synthesizing the ecological impact of invasive species in fresh water and summarizing practical implications for the management of rivers and other freshwater habitats.
Author: Arthur Haines
Publisher: Yale University Press
ISBN: 0300171544
Category : Nature
Languages : en
Pages : 1010
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Book Description
An indispensable, fully updated guide for everyone interested in identifying, studying, or conserving the flora of New England This comprehensive manual offers accurate, up-to-date, and clear information for identifying New England's remarkable array of tracheophytes (vascular plants, excluding mosses). With fully researched entries on some 3,500 native and nonnative species, the book is the first in decades to provide a complete and correct botanical reference for the region's noncultivated plants. The volume includes many new species not documented in New England before, while also excluding many species that have erroneously appeared in earlier manuals. Focusing on the taxonomy and distribution of New England plants, the manual is largely dedicated to identification keys and to species entries that provide scientific name, origin, regional conservation ranking, common name, synonyms, distribution, ecology, and other miscellaneous items of interest. Nearly one-third of the entries are accompanied by helpful black-and-white line illustrations. Additional special features: Precise distribution information, accurate to the state level Details on unusual plant groups not included in other sources Reliable and versatile keys for identification Tips on recognizing hybrid plants in the field A companion interactive teaching Web site (under development) Comprehensive glossary
