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INDICE DIVERSITE [1 record]
Record 1 - internal organization data 2000-08-15
Record 1, English
Record 1, Subject field(s)
- Ecosystems
- Zoology
Record 1, Main entry term, English
- diversity index
1, record 1, English, diversity%20index
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
One of the reasons ecologists are so alarmed by the gradual loss of animal species from our ravaged earth is the diversity index. This index is based on the ecological rule that any adverse environment causes a concomitant decrease in the number of species able to survive in that environment. Since the diversity of organisms is a barometer of the health and complexity of any environment a scientist at Barcelona in 1957 developed what he called a diversity index. 2, record 1, English, - diversity%20index
Record number: 1, Textual support number: 1 OBS
There are many diversity indices used in environmental sciences. 3, record 1, English, - diversity%20index
Record 1, French
Record 1, Domaine(s)
- Écosystèmes
- Zoologie
Record 1, Main entry term, French
- indice de diversité
1, record 1, French, indice%20de%20diversit%C3%A9
correct, see observation, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Indice de Shannon [...] Un indice de diversité élevé correspond à des conditions de milieu favorables permettant l'installation de nombreuses espèces, chacune étant représentée par un petit nombre d'individus. Un indice de diversité faible traduit des conditions de vie défavorables, le milieu étant pourvu de peu d'espèces, mais chacune d'elle ayant en général de nombreux individus (cas des milieux saumâtres aux caractéristiques variables avec le temps, ou des milieux pollués. 2, record 1, French, - indice%20de%20diversit%C3%A9
Record number: 1, Textual support number: 1 OBS
Plusieurs indices étant utilisés, on trouve généralement le nom de celui qui a proposé un indice donné comme déterminant : par exemple, l'indice de Margalef. 3, record 1, French, - indice%20de%20diversit%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
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