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Measurements at monthly intervals showed that leaf-fall in the Mora excelsa rain forests of Trinidad was much greater in Aug. Oct. and in Feb. April t...

The dormancy of seeds of shepherd's purse (Capsella bursa-pastoris) in different soil structures during the 63-day period of establishment of a crop o...

Restoration in rangelands is constrained by low establishment of species sown from seed. Non-biotic soil-surface crust is one of the major factors lim...

For the overwhelming majority of species, we lack long-term information on the dynamics of populations. As a consequence, we face considerable uncerta...

Intercropping is receiving increasing attention because it offers potential advantages for resource utilization, decreased inputs and increased sustai...

Nutritional contents of preferred and alternative forage species at La Pérouse Bay, Manitoba were determined, and these values were compared with the ...

Seedlings of Betula pendula, B. pubescens, Quercus robur and Acer pseudoplatanus were exposed to 150-170 mu g/m3 SO2 in fumigation chambers for period...

Many parasites of medical and veterinary importance infect via free-living stages that undergo a period of development in the environment before seeki...

Increasing dominance by purple moor grass, Molinia caerulea ('Molinia') on globally rare and protected blanket bogs of the United Kingdom and the Sout...

Biological control agents that impact on non-target native species have limited desirability. Aculus hyperici was introduced into Australia to help co...