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. |
From inside the book
Results 1-5 of 51
Page 12
... determine the size of the 'minimal area' for detailed study that will give an adequate sampling of the whole population. Ecologists commonly use quadrats to mark out such sample areas. Originally quadrats were square frames but various ...
... determine the size of the 'minimal area' for detailed study that will give an adequate sampling of the whole population. Ecologists commonly use quadrats to mark out such sample areas. Originally quadrats were square frames but various ...
Page 13
... determining the minimum size (minimal area) of a representative sample from the plant community. The minimal area determined is an approxrmation, involving some subjective judgement. Once quadrat siZe has been decided, a similar ...
... determining the minimum size (minimal area) of a representative sample from the plant community. The minimal area determined is an approxrmation, involving some subjective judgement. Once quadrat siZe has been decided, a similar ...
Page 25
... . Since results in both qualitative and quantitative approaches can be affected by the quadrat size care has to be taken in first accurately determining this. To illustrate the basic ideas behind. Floristic methods 25.
... . Since results in both qualitative and quantitative approaches can be affected by the quadrat size care has to be taken in first accurately determining this. To illustrate the basic ideas behind. Floristic methods 25.
Page 26
N.V. Pears. first accurately determining this. To illustrate the basic ideas behind the assignment of plants using these measures, three examples of each follow (others can be traced in the literature). The qualitative measures ...
N.V. Pears. first accurately determining this. To illustrate the basic ideas behind the assignment of plants using these measures, three examples of each follow (others can be traced in the literature). The qualitative measures ...
Page 27
... determined for a unit area (the quadrat), then we are dealing with density, a truly quantitative measure. Density determinations can be very time-consuming, especially when plants are small and numerous. There are also problems in ...
... determined for a unit area (the quadrat), then we are dealing with density, a truly quantitative measure. Density determinations can be very time-consuming, especially when plants are small and numerous. There are also problems in ...
Other editions - View all
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