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 5
... crops (wheat, barley, maize, etc.) have been in existence for several thousand years. Only recently have we begun a systematic study of man's relationship with these crop plants. Now, for the first time, we may soon be able, at a cost ...
... crops (wheat, barley, maize, etc.) have been in existence for several thousand years. Only recently have we begun a systematic study of man's relationship with these crop plants. Now, for the first time, we may soon be able, at a cost ...
Page 7
... crops). The plants are usually relatively short (though palm trees are an exception). As a consequence, their flowers are small when compared with the Dicotyledons. To this second group belong the colourful herbaceous flowering plants ...
... crops). The plants are usually relatively short (though palm trees are an exception). As a consequence, their flowers are small when compared with the Dicotyledons. To this second group belong the colourful herbaceous flowering plants ...
Page 11
... crop improvement', World Conservation Strategy, Occasional Paper No. I, World Wildlife Fund, Godalming. Simmons, I. G., 1970, 'Landuse ecology as a theme in biogeography', Canadian Geogr., 14, 309-22. Simpson, G. C., 1952. 'How many ...
... crop improvement', World Conservation Strategy, Occasional Paper No. I, World Wildlife Fund, Godalming. Simmons, I. G., 1970, 'Landuse ecology as a theme in biogeography', Canadian Geogr., 14, 309-22. Simpson, G. C., 1952. 'How many ...
Page 62
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Page 116
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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