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The Monarch Butterfly Special Biosphere Reserve (MBSBR) was created in 1986 to protect the overwintering sites of the monarch butterfly Danaus plexippus . However, current political and economic pressures are leading government officials to consider the authorization of logging permits in the...
Tropical lowland rainforests of Southeast Asia are continually being fragmented and lost at an alarming rate. Little is known about the consequences of this large-scale habitat modification. Using artificial nest and seed experiments, we determined predation rates in forest remnants (2·5–1100...
Since the early 19th century, particularly in the Alps, stream corridors have been affected by two major disturbances: diking/channelization which cut off large areas of floodplain and the infilling of by-pass channels which has raised the level of alluvial deposits by siltation. While these...
The RSPB is attempting to establish heathland and acid grassland on 158 ha of arable land at Minsmere, ultimately to benefit two species of rare breeding birds, the stone curlew Burhinus oedicnemus and the woodlark Lullula arborea . An initial study of the arable soils was carried out to assess...
Reservation planning should try to encompass those areas essential for biodiversity conservation in likely future climates, as well as the areas important today. Given that the glacial/interglacial cycles characteristic of the Quaternary are likely to continue, now widespread temperate forest...
Changes in the structure and composition of 123 000 ha of boreal forests in Sweden, were analysed using historical records. These forests had not been commercially logged when the first forest surveys took place in the late 1800s, so the earliest surveys provide unique data on structure of the...
Because of increasing concern over the constancy of intervals between prescribed fires within a vegetation type, we examine various sources of evidence that can be used to determine variation appropriate to the conservation of biodiversity while minimizing the chances of economically destructive...
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