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LHT [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2026-04-29

English

Subject field(s)
  • Evolution (Biology)
  • Ecology (General)
  • Genetics
CONT

A life-history strategy refers to how an organism allocates energy and resources to growth, development, reproduction, and survival across its lifespan, shaped by trade-offs that arise from environmental and evolutionary pressures ... These strategies are expressed through life-history traits, such as size at birth, age and size at maturity, growth rate, and survival.

OBS

life-history trait; life history trait; LHT: designations usually used in the plural.

Key term(s)
  • life-history traits
  • life history traits

French

Domaine(s)
  • Évolution (Biologie)
  • Écologie (Généralités)
  • Génétique
CONT

Les traits d'histoire de vie tels que le taux de croissance [et] l'âge à la première maturité sexuelle [...] peuvent être modifiés. Une des questions cruciales dans le débat écologique concernant les espèces face aux changements globaux est de déterminer si la plasticité phénotypique pourra permettre aux espèces de répondre au rythme rapide du changement climatique [...]

OBS

trait d'histoire de vie; THV : désignations habituellement utilisées au pluriel.

Key term(s)
  • traits d'histoire de vie

Spanish

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Record 2 2026-04-29

English

Subject field(s)
  • Evolution (Biology)
  • Ecology (General)
  • Genetics
DEF

A theoretical framework in evolutionary biology intended to explain the evolution of life history traits that influence an individual's ability to reproduce and survive.

CONT

... life history theory and the concept of an optimal reaction norm allow ... to advance adaptationist explanations for the variation of life history traits observed both between and within species. However, ... systemtatic phenotypic differences between populations living under distinct ecological regimes are not restricted to classic life history traits (i.e., age at maturity, lifespan, etc.). ... it has been argued that, between and within species, variation in life history traits should be integrated with differences in morphology, physiology and behaviour ...

French

Domaine(s)
  • Évolution (Biologie)
  • Écologie (Généralités)
  • Génétique
DEF

Cadre théorique en biologie évolutive qui vise à expliquer l'évolution des traits de vie qui influencent la capacité de reproduction et de survie des individus.

CONT

La théorie d'histoire de vie est un cadre assez large pour permettre d'appréhender les relations entre les traits démographiques, écologiques, éthologiques et physiologiques d'une population et les caractéristiques de son environnement. La composante comportementale de l'histoire de vie et les stratégies d'utilisation de l'habitat sont des éléments essentiels pour affiner la compréhension des processus démographiques.

Spanish

Save record 2

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