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Globally, elasmobranch species have been declining in abundance due to fishery activities. This conservation issue calls for effective management stra...

Patterns of leaf expansion, under various light and temperature régimes, were studied in races of L. perenne and D. glomerata representing the climati...

Leaf expansion was investigated in 10 ecotypes of Lolium perenne and 7 of Dactylis glomerata. Seasonal sowings revealed a regular cline in relative ra...

The black-vented shearwater Puffinus opisthomelas is endemic to Mexico and is currently listed as Near Threatened by the IUCN Red List. Ninety-five pe...

Urban expansion is an increasing threat to biodiversity, especially in tropical Africa where biodiversity hot spots are being encroached upon by fast-...

1. Implementing effective, affordable and ethical conservation management will be crucial for minimising future biodiversity losses. Such management r...

The following is virtually the authors' summary. A small static population of Schistocerca gregaria (Forsk.) confined to an area of Heliotropium aegyp...

The decline of managed honeybees and the rapid expansion of mass-flowering crops increase the risk of pollination limitation in crops and raise questi...

Wind farms are emerging as a major cause of mortality of large scavenging bird species, which may be catastrophic when they operate in concert with ot...

Global declines in pollinating insects have been linked with agricultural intensification and land-use change. Increased production of novel crops for...