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Samples taken at Cedar Creek, Minnesota, showed that the above-ground parts of cattail [Typha angustifolia] and maize ecosystems contained much the sa...
Read moreA 'simulator' is described, which integrates measurements of light intensity within a forest canopy in order to estimate the total amount of CO2 fixed...
Read moreIn a study on the distribution of weed seeds in soil, seeds of lucerne and oilseed flax, which differ markedly in size, shape and seed-coat properties...
Read moreIn 2020, UK shooting and rural organisations pledged to achieve a voluntary transition from the use of lead shotgun ammunition to non-lead alternative...
Read moreThe demography of the annual grass weed A. sterilis subsp. ludoviciana was studied during 3 consecutive years on populations growing in winter wheat c...
Read moreThe role of heat and nutrient supply from ash after light and hot fires on Brittany (France) heathland soils (brown acidic soils) were studied in the ...
Read moreGovernmental authorities in many countries financially support the implementation of habitat connectivity measures to enhance the exchange of individu...
Read moreIn investigations on Merodon equestris (F.) infesting daffodils in southern England in 1968-71, daily estimates of adult populations were made using a...
Read moreDistribution records of the flora within arable field boundaries and the associated crop indicated that most species in field boundaries did not occur...
Read moreRandom soil samples were used to estimate the number and weight of each species of enchytraeid and lumbricid at fourteen long-established experimental...
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