نتایج جستجو برای: coastal erosion
تعداد نتایج: 83192 فیلتر نتایج به سال:
The use of hard coastal-defence structures, like breakwaters and seawalls, is rapidly increasing to prevent coastal erosion. We compared low-shore assemblages between wave-protected and wave-exposed habitats on breakwaters along a sandy shore of Tuscany (North-Western Mediterranean). Assemblages were generally characterized by a low diversity of taxa, with space monopolized by Mytilus galloprov...
Impacts of introgressive hybridisation may range from genomic erosion and species collapse to rapid adaptation and speciation but opportunities to study these dynamics are rare. We investigated the extent, causes and consequences of a hybrid zone between Anopheles coluzzii and Anopheles gambiae in Guinea-Bissau, where high hybridisation rates appear to be stable at least since the 1990s. Anophe...
Located on the Bay of Fundy, Joggins Fossil Cliffs are lined with fifteen kilometres exposed rock layers that hold relics 300 million years (ENSECO, 2023). Characterized by extreme tides, turbulent currents, silt-laden waters, and a soft substrate, it is here 100 billion tons seawater rise fall as much 48 feet every day. Research indicates erosion rates expediting dramatic tides not stalling th...
Mangroves dwell at the land-ocean interface and are thus encroached upon by competing land use at the coastal zone. They are also subject to impacts from catchments developments. As a result, mangroves worldwide are having their extension changed (Spalding et al, 1997). Worldwide it is well accepted that mangrove extension is decreasing mostly due to conversion to other uses, in particular aqua...
The Louisiana Coastal Area presents an array of rich and urgent scientific problems that require new computational approaches. These problems are interconnected with common components: hurricane activity is aggravated by ongoing wetland erosion; water circulation models are used in hurricane forecasts, ecological planning and emergency response; environmental sensors provide information for mod...
Seagrasses are amongst the most valuable ecosystems on shallow subtidal soft bottoms worldwide (COSTANZA et al., 1997; TUYA et al., 2014). They are considered as ecological engineers (WRIGHT & JONES, 2006), providing food, shelters and nursery areas for a variety of fish and invertebrates (HEMMINGA & DUARTE, 2000; COMO et al., 2008; ESPINO et al., 2015). Moreover, seagrass beds stabilize sedime...
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