Basic BiogeographyFirst published in 1985. This is the is the second edition of a study looking at ecology and biogeography with updated chapters including current research. It starts with the with the study of plants to gain an understanding of the complexities of ecological relationships. |
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Page 3
... trees in the high lati tudes of the Northern Hemisphere; the floral elements comprising the vegetation of Australia; the world distribution of a particular species) are examined, then this study is what biologists call biogeography but ...
... trees in the high lati tudes of the Northern Hemisphere; the floral elements comprising the vegetation of Australia; the world distribution of a particular species) are examined, then this study is what biologists call biogeography but ...
Page 7
... trees are typical examples but the Maidenhair tree is a more primitive type in this group. (b) Angiosperms - here the seeds are enclosed in tissues and the group is usually known as the true flowering plants. The brightly flowering ...
... trees are typical examples but the Maidenhair tree is a more primitive type in this group. (b) Angiosperms - here the seeds are enclosed in tissues and the group is usually known as the true flowering plants. The brightly flowering ...
Page 14
... tree layer (or stratum) formed by the oak (usually Quercus robur on the wet, heavier lowland soils or Quercus petraea on the lighter soils). Perhaps a few other trees such as elm or ash can O ' t _ ,. 1' . / . //. 14 Initial approaches ...
... tree layer (or stratum) formed by the oak (usually Quercus robur on the wet, heavier lowland soils or Quercus petraea on the lighter soils). Perhaps a few other trees such as elm or ash can O ' t _ ,. 1' . / . //. 14 Initial approaches ...
Page 15
... trees feature. Under this shrub stratum, a patchy ground flora of grasses, herbs and mosses frequently occurs, some ... tree present. Beneath this the shrub or small tree layer is often absent or confined to a few scattered specimens of ...
... trees feature. Under this shrub stratum, a patchy ground flora of grasses, herbs and mosses frequently occurs, some ... tree present. Beneath this the shrub or small tree layer is often absent or confined to a few scattered specimens of ...
Page 17
... trees, 300 species of small trees or shrubs and 100 species of large woody vines may be encountered) have successfully used a structural approach for this complex vegetation. The initial survey is based on profile diagrams (Fig. 2.7) ...
... trees, 300 species of small trees or shrubs and 100 species of large woody vines may be encountered) have successfully used a structural approach for this complex vegetation. The initial survey is based on profile diagrams (Fig. 2.7) ...
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Common terms and phrases
acid activities agricultural animals approach areas associated become Britain British brown cause cent changes chemical Class clay climatic complex conservation cover crop cycle detailed determined disturbance dominant early Ecol ecology ecosystem effects energy environment environmental established example exist factors field fire forest further grass grazing ground growing growth horizon humus important increase influence insect land layer lead less limit loss major material measure methods mountain natural North nutrients oakwood occur organic particularly pattern peat period pest pine plant population present problem processes production range reached recent reference region relatively seed shown similar slopes soil species spread stage stands structure succession surface Table temperature trees types unit upland usually values vegetation wind wood woodland zone