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A. W. KOCHLER The intimate intercourse between two or more 2. vegetation maps are scientific tools for ana fields of knowledge often bears interesting and lyzing the environment and the relation valuable fruit. Vegetation maps are such fruit, ships between vegetation and the site on resulting from the union of botany and geogra which it occurs. This helps to explain the phy. The work of botanists can be comprehen distribution of plant communities on the sive only if it includes a consideration of plants basis of the physical and chemical features in space, i. e. in different types of landscapes. At of the landscape. On the other hand, plant this point, the work of geographers becomes communities allow conclusions on the natu important through their development of maps re of the environment; as tools to determine and to analyze distribu 3. vegetation maps are valuable standards of tions in space. Our highly developed knowledge reference for observing and measuring of vegetation is matched by the refinement of changes in the vegetation, their direction cartographic techniques, and maps can now be and their speed, i. e. the rate of change. This is important because the character ofvegeta made that will show the extent and geographical distribution of vegetation anywhere on the sur tion is dynamic and is increasingly affected face of our planet with a remarkable degree of by man; accuracy. 4.
Covers maps with natural and semi-natural vegetation, and others such as land use and timber stand maps that contain vegetation units. Descriptions of the maps include all items in the legend, the color, scale and typical bibliographic information.
Pt. 1. Introduction to general aids. pt. 2. Regional: v.1. The United States of America.
The book is concerned principally with geobotanical mapping. Geobotany is a broad science that deals with the study of species and of vegetation communities in relation to the environment; it includes other, perhaps more familiar sciences, such as plant geography, plant ecology, and chorology, and phytosociology (plant sociology). Geobotanical cartography is a field of thematic cartography that deals with the interpretation and representation, in the form of maps, of those spatial and temporal phenomena that pertain to flora, vegetation, vegetated landscapes, vegetation zones, and phytogeographical units. The production of a geobotanical map represents the last stage in a cognitive process that begins with observations in the field and continues with the collection of sample data, interpretation of the phenomena observed, and their appropriate cartographic representation; geobotanical cartography is closely tied to the concepts and scope of geobotany in general
Covers maps with natural and semi-natural vegetation, and others such as land use and timber stand maps that contain vegetation units. Descriptions of the maps include all items in the legend, the color, scale and typical bibliographic information.
Our aim in writing this book is to provide students and teachers with a simple introductory text which deals with practical aspects of ecology, environmen tal biology and biogeography, emphasizing actual field and classroom investigations. Basic concepts and methods of survey, mapping and aerial photography, data collection and data analysis are described and discussed, in order to encourage students to identify and tackle worthwhile projects. The level at which this text is appropriate depends very much upon particular circumstances. The greater part lies within the scope of the sixth form and the first and second years of college, polytechnic and university courses in the British Isles and their equivalents overseas. All students inevitably meet difficulties in the identification of plant and animal species, particularly when they venture into unfamiliar habitats and regions. This is often the cause of unnecessary alarm. Many ecological principles or problems may be illustrated by reference to familiar species and habitats, such as are found in urban environments, as well as those areas of semi-natural vegetation favoured for field courses.