Bird Ecology and Conservation A Handbook of Techniques
birds with chicks from entering fields that are about to be mown by erecting “flags” made out of bamboo canes with blue or white ...
14.5.6Hydrology of wet grasslands Shallow (50 cm deep) flooding on grassland can be used to attract wildfowl by providing both ...
from these ditches through the soil into the field. On soils with lower rates of water transmission, movement of water into the ...
lagopus scoticusfor shooting. This involves burning narrow strips or small patches of moorland in winter to provide a mosaic of ...
composition: control of grazing and browsing by domestic animals and deer, burning, felling, and planting. More than any other h ...
Forests dominated by broad-leaved trees support a distinctly different avifauna from those dominated by conifers, while mixtures ...
14.7.3 Burning Controlled (prescribed) burning can be used to restore and maintain bird assem- blages associated with fire-depen ...
The short-term reduction in litter, shrubs, and saplings caused by burning usually results in short-term increases in numbers of ...
Clear-felling systems can be improved for forest birds by increasing tree species diversity, and by leaving a proportion of live ...
as part of a commercial felling regime. For example, commercially thinned 40–45 year-old Douglas-firPseudotsuga menziesiistands ...
14.9 Managing wetlands 14.9.1 Manipulating the proportions of open water, ruderal vegetation, and swamp The suitability of shall ...
manipulated during subsequent drawdowns. For example, in cattail Typhaspp. and Whitetop Rivergrass Scolochloa festucaceaswamps i ...
The most important factors affecting germination and growth of ruderal vegetation are the timing of drawdown and the ability to ...
September results in a higher biomass of aquatic invertebrates (predominantly ramshorn snails Planorbidae) the following winter ...
quantity of dead plant material available to the invertebrates. Biomass of poly- chaetes and bivalves may be slow to increase fo ...
conditions. It is worth considering lowering water levels at times of year when there is a lack of shallow water available in th ...
difference in invertebrate assemblages between cut and carefully burnt wet reedbed (Ditlhogo et al. 1992). However, it is import ...
some nesting passerines (Poulin et al. 2002), and might also affect the availability of nest-sites for some species. Consistent ...
colonizing reed can be kept open by cutting on a short rotation to remove dead stems. Open water can be maintained by cutting re ...
and Red Fescue Festuca rubrafavored by wintering geese and Eurasian Wigeon Anas Penelope at the expense of unpalatable Sea-couch ...
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