Sentences with word «faunal»

Dr Robert Marchant, Reader in the University's Environment Department, said: «An understanding of the long - term history of faunal change allows us to identify patterns in the interplay of natural and anthropogenic factors that have shaped Zanzibar's ecosystems today.
Broecker and van Donk (1970); Ruddiman & McIntyre too found evidence in deep - sea cores of faunal change (including one core where the warming was interrupted by a cold spell).
The site has provided many Pleistocene faunal remains that give information about how the environment was before the last glacial period.
Tropical savanna systems possess significant wild faunal diversity that supports nature - based tourism revenue (both extractive and non-extractive) and subsistence livelihoods (food, medicinal plants, and construction material), in addition to cultural, regulating and supporting services.
In fact, the Burgess Shale and Chengjiang have considerable overlap in faunal forms.
The effects of organic agriculture on faunal biodiversity have been studied particularly for soil fauna and for birds.
Working with many colleagues inside and out of this group, he has developed global maps of the biodiversity distribution of reef fishes and other faunal groups.
John R. Johnson (curator 1986 - present) has built a good comparative faunal collection, and the department serves as a repository for curation of archaeological material from Channel Islands National Park, Los Padres National Forest, and various cultural resource management projects.
Rariphotic (low light): Newly discovered faunal zone from 130 - 300 meters (400 - 1,000 feet), below the reef - building coral zone, and as deep as Curasub can go.
Greenpeace also claims that Sud - Cameroun Hevea, a company owned mostly by Singapore's GMG, is developing rubber and palm oil plantations that threaten the Dja Faunal Reserve, a UNESCO World Heritage site and one of the largest and best protected rainforests in Africa.
«The ability to compare faunal response between events is critical for establishing mechanisms of change and predicting the consequences of future warming.»
He adds, «Warm - water species increasingly spread north and east, thus blurring the formerly stable boundaries between different faunal regions
is evidenced at the few sites with faunal analysis (Goebel 1999:214 - 215).
Organic agriculture displays in most cases a higher faunal biodiversity than conventional agriculture.
«They predate the earliest known Egyptian chickens by at least 300 years and highlight early exotic faunal exchanges in the Horn of Africa during the early first millennium B.C.»
An industrial rubber plantation is currently developing land right on the edge of Cameroon's Dja Faunal Reserve.
Some researchers have theorized that the environmental changes that led to the formation of new biotic communities at the end of the Pleistocene resulted in the extinction of many of the Pleistocene faunal forms.
The Burgess Shale comprises shale, limestone and siltstone and extends in a large area in outcrops of the Stephen Formation that exhibite different faunal mixes.
Other faunal elements may also be shared between the vents on the ESR and those of the South East and South West Pacific.
Their sedimentological environment and the accompanying faunal elements point to an age shortly before the Mid-Vallesian crisis at ca. 9.7 Ma.
The discovery of vent biota on the ESR with faunal connections to other southern hemisphere vent systems, including those in both the Pacific and the Atlantic, suggests a more complex picture of vent biogeography than previously considered.
Based on the common occurrence of the same genera and species of marine invertebrates in both regions [75 — 79], teleost fishes [80], herpetofauna [81], as well as marine reptiles [7, 54, 82] it has been suggested that the Caribbean or Hispanic Corridor connecting the eastern Pacific Ocean with the western Tethys through the Central Atlantic facilitated faunal dispersals between the two regions during the Late Jurassic [83 — 85].
The expedition's entomologist, Fernando Guerra Serrudo, Associate Researcher of the Bolivian Faunal Collection and the Institute of Ecology, said of Madidi's moths: «Moths are often very beautiful and present a diversity of shapes and patterns.
Participating institutions in Identidad Madidi include the Ministry of the Environment and Water, the Bolivian National Park Service, the Vice Ministry of Science and Technology, Madidi National Park, the Bolivian Biodiversity Network, WCS, the Institute of Ecology, Bolivian National Herbarium, Bolivian Faunal Collection and Armonia with funding from the Gordon and Betty Moore Foundation and WCS.
This rising prompted changes in climatic conditions that allowed many faunal groups to recover from the extinctions of Late Ordovician times.
Similarly, in other permanent crops, cover crops do not only provide erosion control and nutrient supply but also a high floral and faunal species diversity.
Under European conditions, organic agriculture performs better than conventional agriculture with regard to certain parameters: for example, 30 to 100 percent higher microbial activity3 and a significantly higher biomass (+30 to 40 percent), density (+ 50 to 80 percent) and species diversity of earthworms, a key soil - macro faunal species4.
This is surprising because areas outside this central region show fossil evidence of regular faunal interchange.
Based on their research on reef fishes, the Smithsonian researchers and co-author Luke Tornabene (assistant professor at the University of Washington and former Smithsonian post-doctoral fellow) present a new classification of coral - reef faunal zones:
It's one of the few places in the U.S. where we can directly document that huge faunal turnover.»
To test this hypothesis, the possible contribution of marine fish in the diet of these carnivores was evaluated using carbon, nitrogen and sulphur isotopes in faunal bone collagen, comparing these isotopic signatures between predators and their potential prey.
By the dental features, Rugosodon eurasiaticus closely resembles the teeth of some multituberculate mammals of the Late Jurassic of the Western Europe, suggesting that Europe and Asia had extensive mammal faunal inter-changes in the Jurassic.
This record allows us to examine more sophisticated questions about faunal response to climate and environmental change than was previously possible.»
«No other terrestrial record exists with the density of fossils necessary to test faunal response to the later hyperthermals [climatic warming].
He is currently co-leading annual expeditions focused on mammalian faunal composition across the Cretaceous - Paleogene boundary in the Hell Creek and Fort Union formations of North Dakota and Montana.
Pliocene (3.2 — 2.4 Ma) ostracode faunal cycles and deep ocean circulation, North Atlantic Ocean.
Oxygen and organic matter thresholds for benthic faunal activity on the Pakistan margin oxygen minimum zone (700 — 1100 m).
A Lagerstätte (also spelled Lagerstatte and Lagerstaette) is a fossil site exhibiting extraordinary preservation and often faunal or floral diversity.
A guide for ecologists: Detecting the role of disease in faunal declines and managing population recovery
It is abundant in fascinating faunal and floral species, making it ideal for nature - lovers.
Such impact could be direct, such as changes in acceptable temperature ranges, or indirect, such as impacts on floral or faunal food sources for the fox.
Besides being the home to Belize's largest cat, the Sanctuary protects the headwaters of two major river systems and supports an abundance of hardwood vegetation and a diverse faunal assemblage.
Besides floral and faunal variety, this park houses various medieval structures such as Ranthambore Fort and Jogi Mahal.
Due to the overlap of the temperate and tropical faunal zones, the Sea of Cortez boasts the greatest variety of fishes and marine invertebrates found anywhere along the eastern shore of the Pacific Ocean.
Floral and faunal reconstructions tied to the physical evidence of fluvial, alluvial, and lacustrine sediments and to a radiocarbon chronology reflect a warming and drying trend (as contrasted with the Pleistocene) during the last 10,000 years.
Recently, episodic or catastrophic events have been described as one of the main environmental contributors to faunal disturbance and thus one of the main potential drivers of deep - sea biodiversity [225], [259].
a b c d e f g h i j k l m n o p q r s t u v w x y z