1787-1865 andrew angleterre automne biodiversityconservation biodiversité british britishcolumbia california climaticchanges conservation conservationdesressourcesnaturelles conservationofnaturalresources descriptionandtravel descriptionsetvoyages discoveryandexploration découverteetexplorationbritanniques e-books ecology electronicbooks england environmentalconservation environmentalpollution general géographiehumaine histoire history humangeography john jungleecology lifesciences livresnumériques london naturalhistory naturalsciences nature northwestterritories ouvragespourlajeunesse pictorialworks pollution protection recherche researchteams richardson richmondpark science sciences sciences(philosophy) suriname territoiresdunord-ouest travailenéquipe travelwestoll vertebrates voyageswestoll zoologie zoology écologiedelajungle