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In a cider-apple orchard near Bristol, England, in late January 1972 (Experiment 1) and December 1972 (Experiment 2), fully grown larvae of Cydia pomo...

Predicting how increasing rates of global trade will result in new establishments of potentially damaging invasive species is a question of critical i...

Two different vegetation communities, Acacia mellifera bushland and associated grassland in a drier, more northerly zone, and A. seyall Balanites aegy...

The following is substantially the authors' summary. Outbreaks of Ectropis bhurmitra (Wlk.) in Ceylon in 1963-66 developed as a side-effect of dieldri...

Trees of two Scots pine phenotypes (poor and fertile soils) and lodgepole pine (intermediate) were exposed side by side in a field study. Biomass cons...

Although the whole Pixton promontory supports 125 epiphytic lichen species, including many that are associated with ancient woodlands, the latter are ...

In a field experiment in central Sweden, shoots of 20-year-old Scots pine (Pinus sylvestris) were hand-pruned in 2 series, 1 with non-fertilized trees...

Describes further study of the ecosystem on the boles of mature, free-standing Fraxinus excelsior trees in three districts in Newcastle upon Tyne, whi...

Complex environments support high biodiversity and diverse microhabitat availability, which may reduce the intensity of competition among species. Bot...

The following is based largely on the author's sumrnary. Scotch broom (Sara-thamnus scoparius) was introduced from Europe to the Pacific toast of Nort...