By Andre Freiwald (Editor)
Following the intriguing exploration of scorching vent and chilly seep ecosystems, the rediscovery of cold-water coral ecosystems with high-technology instrumentation is at present one other sizzling subject in multidisciplinary marine examine. Conventionally, coral reefs are considered as constrained to hot and well-illuminated tropical seas, now not linked to chilly and darkish waters of upper latitudes. besides the fact that, ongoing clinical missions have make clear the worldwide importance of this ignored environment. Cold-water coral ecosystems are excited about the formation of huge seabed buildings corresponding to reefs and enormous carbonate mounds, and so they characterize unexploited paleo-environmental documents of earth background. Like their tropical cousins, cold-water coral ecosystems harbour wealthy species variety. regardless of the good water depths, advertisement pursuits overlap progressively more with the coral occurrences. Human actions already impinge without delay on cold-water coral reefs inflicting serious! harm to this weak surroundings. during this quantity, the present key associations inquisitive about cold-water coral learn have contributed sixty two state of the art articles from geology and oceanography to biology and conservation.
Read Online or Download Cold-Water Corals and Ecosystems (Erlangen Earth Conference Series) PDF
Best geochemistry books
Wisdom of the elemental interactions that happen among geological fabrics and diverse elements is step one in figuring out the consequences of adsorption and different interfacial tactics at the caliber of rocks and soils, and on using those approaches in the direction of a helpful or impartial outcome.
Tectonic movement of the Adria microplate exerts a first-order regulate at the tectonics, geology, seismology, source distribution, and the geological dangers throughout a large area of south-central Europe and the north-central Mediterranean. given that its first software to geodynamical difficulties, GPS geodesy has progressively published the character of movement and deformation for many energetic parts of deformation around the Earth.
This can be the 1st ebook that makes an attempt to commonly combine the latest wisdom within the fields of hydrate nucleation and development in permafrost areas and marine sediments. gasoline hydrate reactant offer, progress versions, and implications for pore fill by means of average gasoline hydrate are mentioned for either seawater precursors in marine sediments and for permafrost hydrate.
- Acidification Research in The Netherlands: Final Report of the Dutch Priority Programme on Acidification
- Discrete Fracture Network Modeling of Hydraulic Stimulation: Coupling Flow and Geomechanics
- Principles of Geochemistry
- Recent Progress in Desalination, Environmental and Marine Outfall Systems
- Radiogenic Isotope Geochemistry: A Guide for Industry Professionals
Extra resources for Cold-Water Corals and Ecosystems (Erlangen Earth Conference Series)
Molluscs) are represented with many taxa that are not treated here (see Bernecker and Weidlich 1990 for further references). Dendroid scleractinian corals: The dominant mound-forming corals (Fig. 5) are three genera comprising the species Dendrophyllia candelabrum Henning, 1899, Faksephyllia faxoensis (Beck, 1835) and Oculina becki (Nielsen, 1922). They can be distinguished easily by diameter, wall structure and the mode of budding. D. candelabrum (Fig. 6/1, A) is the most common dendroid coral.
Most of the sediments occurring within the mounds and surrounding the mounds seem to be of parautochthonous origin. The varying content of broken coral branches is obvious in rock slabs. Modal analysis indicates that the percentage of corals varies between 10-30 %. 1 mm and 50 cm. Colonial corals in life position are common. Pelagic skeletal grains, such as coccoliths and globigerinids, are important constituents of the lime mud. They are frequent and occur in all subfacies types of the coral limestone.
From the Late Maastrichtian-Middle Danian, four sequence boundaries were observed in the Danish basin (Surlyk 1997). During this time interval, sea level was highest during the Late Maastrichtian. Prominent lowstands occur at the K/T boundary (Fish Clay), overlying the Cerithium Limestone, at the end of Early and Middle Danian, and within the Middle Danian (Fig. 2). With the exception of the K/T boundary, sea level lowstands are indicated by hardgrounds and caused no significant change in the sedimentologic patterns.