News articles tagged with 'diversity' (Page 14)
Upper Midwest forests are losing diversity and complexity
— 17 Oct 2007 13:42 | EnvironmentForests in the nation's Upper Midwest have changed greatly since the time of the early settlers. And more changes may be coming. That's according to research done by Lisa A. Schulte,…
Thousands of deep-sea microbes discovered
— 5 Oct 2007 06:37 | BiologyThousands of new kinds of marine microbes have been discovered at two deep-sea hydrothermal vents off the Oregon coast by scientists at the MBL (Marine Biological Laboratory) and University…
New keys to keeping a diverse planet
— 27 Sep 2007 08:35 | EnvironmentVariation in plants and animals gives us a rich and robust assemblage of foods, medicines, industrial materials and recreation activities. But human activities are eliminating biological…
Emphasis on conifer forests places multiple species at risk
— 24 Aug 2007 15:16 | EnvironmentThe traditional emphasis on dense, fast-growing, conifer-dominated forests in the Pacific Northwest raises questions about the health of dozens of animal species that depend on shrubs,…
Tropical insects go the distance to inform rainforest conservation
— 9 Aug 2007 20:23 | BiologyThe long-held belief that plant-eating insects in tropical forests are picky eaters that stay 'close to home' - dining only on locale-specific vegetation - is being challenged by new…
Scientists show differing patterns of rainforest biodiversity
— 8 Aug 2007 18:30 | EnvironmentRainforests are the world's treasure houses of biodiversity, but all rainforests are not the same. Biodiversity may be more evenly distributed in some forests than in others and, therefore,…
Study finds reef fish need longer break
— 12 Jul 2007 09:42 | EnvironmentIn the longest running study on how fish populations in coral reef systems recover from heavy exploitation, researchers from the Wildlife Conservation Society (WCS) and others have…
Size and positioning of floral anthers facilitates pollen collection by bees
— 9 Jul 2007 07:34 | BiologyUnlike moths and butterflies that are often brilliantly coloured to warn potential predators that they carry toxins, flowers and the fruits they produce have brilliant colours and unusual…
Glimmer of hope for the survival of Tahitian tree snails
— 3 Jul 2007 02:36 | BiologyDespite the mass extermination of Tahiti's unique species of tree snails in recent decades, much of their original genetic diversity can still be found in remnant populations that survive…