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ECOLOGICAL BOUNDARY [2 records]

Record 1 2009-04-21

English

Subject field(s)
  • Ecology (General)
  • Environmental Studies and Analyses
CONT

One of the most noticeable deficiencies in environmental impact assessment from the perspective of establishing appropriate ecological time boundaries is the lack of consideration of response and recovery times for ecosystem components ....

French

Domaine(s)
  • Écologie (Généralités)
  • Études et analyses environnementales

Spanish

Campo(s) temático(s)
  • Ecología (Generalidades)
  • Estudios y análisis del medio ambiente
CONT

Los límites ecológicos se clasifican como temporales y/o espaciales. El establecimiento de límites ecológicos temporales toma en consideración la posible variedad de las características correspondientes a los componentes ambientales o poblaciones, que incluyen: magnitud, frecuencia y tendencias en la variación natural de una población natural o componente ecológico; el tiempo requerido para que se evidencie una respuesta biológica, física y/o química ante un efecto, el tiempo requerido para que un sistema ecológico o población se recupere de un efecto y retorne a su estado previo al impacto.

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Record 2 2009-02-25

English

Subject field(s)
  • Ecology (General)
CONT

Like many other aspects of impact assessment, the setting of boundaries represents a trade-off, in this case involving (i) the constraints imposed by political-social-economic realities (administrative boundaries) (ii) the temporal and spatial extent of the project (project boundaries), (iii) the time and space scales over which natural systems operate (ecological boundaries), and (iv) the limited state-of-the-art in predicting or measuring ecological changes (technical boundaries). It is important to distinguish between these categories of boundaries since some are under the control of the investigators while others are relatively fixed, for example, by the current state of knowledge in relevant branches of science and technology.

French

Domaine(s)
  • Écologie (Généralités)

Spanish

Campo(s) temático(s)
  • Ecología (Generalidades)
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