Perspectives in ecological theory
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Chicago
Univ. of Chicago Press
1970
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| Ausgabe: | 3. impr. |
| Schriftenreihe: | Chicago series in biology
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
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| 245 | 1 | 0 | |a Perspectives in ecological theory |c Ramón Margalef |
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Datensatz im Suchindex
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| adam_text | Titel: Perspectives in ecological theory
Autor: Margalef, Ramón
Jahr: 1970
Contents
1. The Ecosystem as a Cybernetic System 1
Cybernetics 1
Ecology 3
Feedback in ecosystems 4
Energy and energy gates 9
Stability 11
Divisibility of ecosystems 12
A basic principle of organization 16
Diversity 17
Diversity and energy flow 20
Microscopic and macroscopic aspects of the ecosystem 23
2. Ecological Succession and Exploitation by Man 26
Succession 26
A new look at succession 28
Changes occurring during succession 30
The final stages of succession 32
Ecosystems as processes 35
Exploitation 37
Boundaries 39
Freshwater lakes 41
Ecosystems on a solid substrate 43
Applied ecology 44
Human exploitation 45
Conservation 48
viii Contents
3. The Study of Pelagic Ecosystems 51
Introductory remarks 51
Species diversity 52
Pigments and pigment diversity 58
Production and biomass 63
The need for technical improvements 66
Handling information and the importance of derivatives 68
Correlations 70
Taxonomic evaluation of samples 73
Succession and heterogeneity 74
4. Evolution in the Frame of Ecosystem Organization 80
Succession and evolution 80
Conditions of selection in different stages of succession 83
Characteristics of species adapted to different stages of succession
Life tables 89
Evolution and succession in perspective 93
Climate and evolution 95
Man and evolution 96
The triple channel of transmission of information 97
The beginnings of life 100
References 103
Index 107
|
| any_adam_object | 1 |
| author | Margalef, Ramón 1919-2004 |
| author_GND | (DE-588)131385054 |
| author_facet | Margalef, Ramón 1919-2004 |
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| author_sort | Margalef, Ramón 1919-2004 |
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| building | Verbundindex |
| bvnumber | BV001953811 |
| classification_rvk | WI 2000 |
| ctrlnum | (OCoLC)65577131 (DE-599)BVBBV001953811 |
| discipline | Biologie |
| edition | 3. impr. |
| format | Book |
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| id | DE-604.BV001953811 |
| illustrated | Not Illustrated |
| indexdate | 2024-12-23T10:26:30Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-001273666 |
| oclc_num | 65577131 |
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| physical | VIII, 111 Seiten Diagramme, Karten |
| publishDate | 1970 |
| publishDateSearch | 1970 |
| publishDateSort | 1970 |
| publisher | Univ. of Chicago Press |
| record_format | marc |
| series2 | Chicago series in biology |
| spellingShingle | Margalef, Ramón 1919-2004 Perspectives in ecological theory Ecologie gtt Ökologie (DE-588)4043207-5 gnd Theorie (DE-588)4059787-8 gnd |
| subject_GND | (DE-588)4043207-5 (DE-588)4059787-8 |
| title | Perspectives in ecological theory |
| title_auth | Perspectives in ecological theory |
| title_exact_search | Perspectives in ecological theory |
| title_full | Perspectives in ecological theory Ramón Margalef |
| title_fullStr | Perspectives in ecological theory Ramón Margalef |
| title_full_unstemmed | Perspectives in ecological theory Ramón Margalef |
| title_short | Perspectives in ecological theory |
| title_sort | perspectives in ecological theory |
| topic | Ecologie gtt Ökologie (DE-588)4043207-5 gnd Theorie (DE-588)4059787-8 gnd |
| topic_facet | Ecologie Ökologie Theorie |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=001273666&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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