Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany: development of methods and contributions towards scientific criteria and concepts for a recovery management plan
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin
dissertation.de - Verl. im Internet
2009
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| Ausgabe: | Als Ms. gedr. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Enth. Zeitschr.-Aufsätze |
| Beschreibung: | 216 S. Ill., graph. Darst., Kt. |
| ISBN: | 9783866244481 |
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Datensatz im Suchindex
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| adam_text | TABLE OF CONTENTS TABLE OF CONTENTS
SUMMARY.......................................... 7 1.
INTRODUCTION.............*..........................................................................................................
8 /. /. STURGEONS AS UNIQUE BIOLOGICAL AND ECOLOGICAL ECOSYSTEM
ENTITIES. 8 1.2. GENERAL ENVIRONMENTAL THREATS TO POPULATION DECLINE AND
RISK FOR EXTINCTION 9 1.3. BIOLOGICAL CHARACTERISTICS OF THE COMMON
STURGEON 9 1.3.1. STATE OF KNOWLEDGE ON THE HISTORICAL RANGE OF A.
STURIO 10 1.3.2. SEQUENTIAL DECLINE OF THE POPULATIONS WITHIN RANGE
WATERSHEDS 11 1.4. DRIVING FORCES FOR CONSERVATION 12 1.4.1. APPLICATION
OF CONSERVATION GUIDELINES 14 1.4.2. POTENTIAL OPTIONS FOR STURGEON
REMEDIATION 14 1.4.3. POLITICAL BACKGROUND FOR STURGEON REMEDIATION IN
GERMANY AND THE EU 15 1.4.4. TO SPLIT A HAIR: TERMINOLOGY CONSIDERATIONS
ON STURGEON RE-ESTABLISHMENT 16 7.5. HISTORIC CONSERVATION AND
ENHANCEMENT APPROACHES 17 1.6. ORGANISATIONAL PREREQUISITES FOR A
CONCERTED REMEDIATION 18 1.7. SCOPE OF THE REMEDIATION PROGRAMME. 18
1.7.1. VERIFICATION OF SPECIES STATUS ON POPULATION LEVEL 19 1.7.2.
DEVELOPMENT OF EX-SITU STOCKS 20 1.8. OBJECTIVES AND SCIENTIFIC WORKING
HYPOTHESIS 24 2. RESULTS 27 2.1. PUBLICATIONS AND SUBMITTED MANUSCRIPTS
ADDRESSING THE OBJECTIVES OF THE WORKING HYPOTHESIS BIBLIOGRAFISCHE
INFORMATIONEN HTTP://D-NB.INFO/995368783 DIGITALISIERT DURCH TABLE OF
CONTENTS 3. DISCUSSION. ......... ........ ..... ... ..... ..... ...
.... *.147 3.1. VERIFY SPECIES IDENTITY AND DETERMINE THE FEASIBILITY TO
EMPLOY MODEL SPECIES FOR EXPERIMENTS OVERCOMING INITIAL DEFICIENCIES IN
BASIC KNOWLEDGE... . ...... 148 3.1.1. IDENTIFICATION OF SPECIMENS TO BE
SELECTED FOR REMEDIATION 148 3.1.2. CHARACTERIZATION^, STURIO I A.
OXYRINCHUS 149 3.2. ECOLOGICAL AND BIOLOGICAL CHARACTERISTICS OF THE
SPECIES ....... ........ ... ......... 154 3.2.1. UTILIZATION OF MODEL
SPECIES TO DETERMINE COMMON REQUIREMENTS AND THEREBY IDENTIFY COMMON
THREATS 155 3.3. DETERMINE THE REASONS FOR THE HISTORIC DECLINE OF
POPULATIONS AND VERIFY THE DEGREE OF THEIR PERSISTENCE.... ..... ...
.......... ......... .... ....... 157 3.3.1. FISHERIES 157 3.3.2.
HABITAT LOSS 158 3.3.3. WATER QUALITY 159 3.3.4. MECHANICAL STRESS 160
3.3.5. CLIMATE CHANGE 161 3.3.6. EFFECTS OF THE POPULATION DECLINE AND
CONSEQUENCES FOR REPRODUCTIVE SUCCESS. 162 3.3.7. IMPLICATIONS OF
FACTORS CONTRIBUTING TO THE DECLINE FOR THE MANAGEMENT PLAN... 162 3.4.
IDENTIFICATION OF SPECIES-SPECIFIC TRAITS IN BEHAVIOUR AND PHYSIOLOGY
LINKED TO ENVIRONMENTAL TABLE OF CONTENTS 4. CONCLUSIONS 185 4.1. STATUS
OF SPECIES IDENTIFICATION AND THE FEASIBILITY TO UTILIZE MODEL SPECIES.
183 4.2. THE IDENTIFICATION OF HISTORIC REASONS FOR THE DECLINE OF THE
SPECIES ABUNDANCE AND THE DEGREE TO WHICH THESE IMPACTS PERSIST TODAY
ARE CONSIDERED KEY FACTORS TO DEVELOP CONCEPTS AND STRATEGIES FOR
REMEDIATION MEASURES. 184 4.3. SUBSTRATE PREFERENCES OF EARLY LIFE
HISTORY STAGES INDICATE ESSENTIAL HABITAT CHARACTERISTICS. 186 4.4.
IN-SITU IDENTIFICATION OF CRITICAL HABITATS FOR EARLY LIFE STAGES 187
4.5. TRANSPORT STRESS HAS IMPORTANT IMPLICATIONS FOR THE VIABILITY OF
TRANSFERRED SPECIMENS AND THEREBY MAY DETERMINE THE SUCCESS OF THE
PROGRAMME IN BUILDING UP THE BROOD STOCKS 187 4.6. IDENTIFYING CRITERIA
THAT POINT TO POTENTIAL THREATS FOR RE-ESTABLISHMENT: 188 4.7. EXOTIC
STURGEON SPECIES AND THEIR POTENTIAL INTERACTION WITH CONSERVATION
MEASURES 189 5. OUTLOOK 190 6. ACKNOWLEDGEMENTS 191 7. REFERENCES 192
|
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| author | Geßner, Jörn 1962- |
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| spelling | Geßner, Jörn 1962- Verfasser (DE-588)129063509 aut Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan von Jörn Geßner Als Ms. gedr. Berlin dissertation.de - Verl. im Internet 2009 216 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Enth. Zeitschr.-Aufsätze Zugl.: Berlin, Univ., Diss., 2008 Stör (DE-588)4183392-2 gnd rswk-swf Atlantischer Stör (DE-588)7538255-6 gnd rswk-swf Wiedereinbürgerung Biologie (DE-588)4266686-7 gnd rswk-swf Norddeutschland (DE-588)4075454-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Norddeutschland (DE-588)4075454-6 g Stör (DE-588)4183392-2 s Atlantischer Stör (DE-588)7538255-6 s Wiedereinbürgerung Biologie (DE-588)4266686-7 s b DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=019012320&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Geßner, Jörn 1962- Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan Stör (DE-588)4183392-2 gnd Atlantischer Stör (DE-588)7538255-6 gnd Wiedereinbürgerung Biologie (DE-588)4266686-7 gnd |
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| title | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan |
| title_auth | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan |
| title_exact_search | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan |
| title_full | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan von Jörn Geßner |
| title_fullStr | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan von Jörn Geßner |
| title_full_unstemmed | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan von Jörn Geßner |
| title_short | Prerequisites for the remediation of the indigenous sturgeons Acipenser sturio Linnaeus 1758 and A. oxyrinchus Mitchill 1815 in river systems of northern Germany |
| title_sort | prerequisites for the remediation of the indigenous sturgeons acipenser sturio linnaeus 1758 and a oxyrinchus mitchill 1815 in river systems of northern germany development of methods and contributions towards scientific criteria and concepts for a recovery management plan |
| title_sub | development of methods and contributions towards scientific criteria and concepts for a recovery management plan |
| topic | Stör (DE-588)4183392-2 gnd Atlantischer Stör (DE-588)7538255-6 gnd Wiedereinbürgerung Biologie (DE-588)4266686-7 gnd |
| topic_facet | Stör Atlantischer Stör Wiedereinbürgerung Biologie Norddeutschland Hochschulschrift |
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