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There are clear indications that Birch grows in height only when the mean air and soil temperatures exceed 42-44°F. There is a rather loose correlatio...
Read moreThe phytophagous insect communities dwelling in the flower heads of Cirsium acaule and Centaurea scabiosa were studied in mown, sheep-grazed and aband...
Read moreSurvival is a critical component of individual fitness, population dynamics and the landscape ecology of organisms. Survival in animal populations is ...
Read moreShade trees in agroforestry systems confer ecosystem services, such as enhanced soil fertility from diverse litter inputs, microclimate regulation via...
Read moreResource availability and habitat heterogeneity are principle drivers of biodiversity, but their individual roles often remain unclear since both fact...
Read moreThe increased length of forest clear-cut edges is considered to be one of the main ecological consequences of silviculture. The effects vary over the ...
Read moreResults are compared of measuring radiation penetration coefficients using different types of sensor under clear and overcast conditions within a 20- ...
Read moreIn both wet and dry areas, diurnal soil and air temperature ranges under high incident radiation were increased by track formation, due to the effects...
Read moreIn tests in Australia, first and second-instar larvae of Sericesthis nigrolineata (Boisd.) were exposed for short periods to temperatures between 30 a...
Read moreTemperatures were measured in a perennial ryegrass crop in the field and an attempt was made to relate temperature to growth. The instruments used are...
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