glossary
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peat bog n. (tourbière)
wetland with vegetation producing and accumulating peat

permafrost n. (pergélisol)
permanently frozen layer of soil

pesticide n. (pesticide)
chemical used against pests

polar circle n. (cercle polaire)
northern (Arctic Circle) or southern (Antarctic Circle) latitude where the Sun is above the horizon in winter and below the horizon in summer for 24 hours at least once per year

poleophile adj. (poléophile)
that lives in polluted habitat

poleophobe adj. (poléophobe)
that is intolerant of polluted habitat

poleotolerant adj. (poléotolérant)
that is tolerant of polluted habitat

pollutant n. (polluant)
chemical, physical, or biological undesirable agent causing degradation of environment

pollution n. (pollution)
introduction of chemical, physical, or biological undesirable agent into the environment causing degradation

population n. (population)
group of organisms of the same species

precision n. (précision)
closeness of results to others obtained in exactly the same way