04925nam 2200709 a 450 991045588490332120200520144314.01-280-19656-497866101965620-309-56647-90-585-15634-4(CKB)110986584751274(EBL)3376499(SSID)ssj0000232565(PQKBManifestationID)11187962(PQKBTitleCode)TC0000232565(PQKBWorkID)10214747(PQKB)10461129(MiAaPQ)EBC3376499(Au-PeEL)EBL3376499(CaPaEBR)ebr10056772(OCoLC)923264237(EXLCZ)9911098658475127419931103d1994 uy 0engur|n|---|||||txtccrRangeland health[electronic resource] new methods to classify, inventory, and monitor rangelands /Committee on Rangeland Classification, Board on Agriculture, National Research CouncilWashington, D.C. National Academy Press19941 online resource (200 p.)Description based upon print version of record.0-309-04879-6 Includes bibliographical references (p. 158-168) and index.""RANGELAND HEALTH""; ""Copyright""; ""Preface""; ""Acknowledgments""; ""Contents""; ""Executive Summary""; ""STATE OF RANGELAND ECOSYSTEMS""; ""Questions About Methods""; ""Lack of Reliable Data""; ""Need to Know is Urgent""; ""PURPOSES OF NATIONAL ASSESSMENTS""; ""Standards for National Assessments""; ""DEFINITION OF RANGELAND HEALTH""; ""MINIMUM ECOLOGICAL STANDARD""; ""USE AND MANAGEMENT""; ""Categories for National Assessments""; ""METHODS TO ASSESS RANGELAND HEALTH""; ""Defining Boundaries""; ""Criteria and Indicators""; ""SOIL STABILITY AND WATERSHED FUNCTION""""NUTRIENT CYCLING AND ENERGY FLOW""""RECOVERY MECHANISMS""; ""Research Needed""; ""NATIONAL INVENTORYING AND MONITORING SYSTEM""; ""Minimum Data Set""; ""Standardize Indicators and Methods""; ""National Sampling System""; ""Periodic Sampling Needed""; ""TRANSITION TO RANGELAND HEALTH ASSESSMENTS""; ""Intermediate Steps""; ""Preserving Continuity During the Transition""; ""CHALLENGE TO RANGE SCIENTISTS AND MANAGERS""; ""1 Rangelands are Important ""; ""RANGELAND MANAGEMENT AND USES""; ""CONCERN ABOUT THE STATE OF U.S. RANGELANDS""; ""Federal Management of U.S. Rangelands""""Present State of Rangelands""""ASSESSMENTS OF RANGELANDS""; ""DEFICIENCIES OF ASSESSMENTS""; ""UTILITY OF CURRENT METHODS AND DATA""; ""URGENT NEED FOR NATIONAL ASSESSMENTS""; ""2 Rangeland Health ""; ""GOALS FOR NATIONAL ASSESSMENTS""; ""STANDARDS FOR RANGELAND ASSESSMENTS""; ""Rangeland Health""; ""Categories for Rangeland Assessments""; ""DEFINING BOUNDARIES""; ""THRESHOLDS BETWEEN ECOLOGICAL STATES""; ""PROCESSES OF CHANGE""; ""THRESHOLD OF RANGELAND HEALTH""; ""EARLY WARNING LINE""; ""MULTIPLE STATES AND TRANSITIONS""; ""ROLE OF RANGELAND HEALTH IN RANGELAND MANAGEMENT""""Goal of Range Management""""Additional Information Needed to Determine Appropriate Management""; ""Rangeland in Extreme Environments""; ""3 Current Methods of Rangeland Assessment ""; ""DEVELOPMENT OF CURRENT THEORY AND PRACTICE OF RANGELAND ASSESSMENTS""; ""Early Development Of Survey Methods""; ""Standardization of Rangeland Surveys""; ""New Theoretical Foundation for Rangeland Surveys""; ""SUCCESSION AND CLIMAX COMMUNITIES""; ""SUCCESSIONAL STAGES AND RANGELAND ASSESSMENT""; ""SUCCESSIONAL STAGES AS CONDITION CLASSES""""ADOPTION OF THE SUCCESSION-RETROGRESSION MODEL BY FEDERALAGENCIES""""APPLICABILITY OF THE SUCCESSION-RETROGRESSION MODEL""; ""LINKS BETWEEN OTHER BRANCHES OF ECOLOGY AND RANGELAND SCIENCE""; ""CURRENT AGENCY RANGELAND ASSESSMENT THEORY AND PRACTICE""; ""Site Classification""; ""RANGE SITE CLASSIFICATION""; ""ECOLOGICAL SITES AND TYPES""; ""Evaluation of Range Condition and Ecological Status""; ""RANGE CONDITION (SCS)""; ""ECOLOGICAL STATUS (USFS AND BLM)""; ""Trend and Apparent Trend""; ""NEW METHODS NEEDED TO ASSESS RANGELAND HEALTH""; ""Site Classification""""CLASSIFICATION BASED ON CLIMAX CONCEPT""Range managementUnited StatesRangelandsUnited StatesRange ecologyUnited StatesRange managementRangelandsRange ecologyElectronic books.Range managementRangelandsRange ecologyRange management.Rangelands.Range ecology.333.74/0973MiAaPQMiAaPQMiAaPQBOOK9910455884903321Rangeland health2019745UNINA