نتایج جستجو برای: uninervis halodule
تعداد نتایج: 144 فیلتر نتایج به سال:
Rapid global degradation of coastal habitats can be attributed to anthropogenic activities associated with development, aquaculture, and recreational surface water use. Restoration degraded has proven challenging costly, there is a clear need develop novel approaches that promote resilience human-caused disturbances. Positive interactions between species mitigate environmental stress recent wor...
The physical and ecological importance of seagrass meadows in coastal processes is widely recognized, the development tools facilitating characterization their structure distribution important for improving our understanding these processes. Mixed (multi-specific) a Mexican Caribbean reef lagoon were mapped employing multiparameter approach, using PlanetScope remote sensing images, supervised c...
Seagrasses are representatives of the families Cymodoceaceae, Posidoniaceae, Zosteraceae, Hydrocharitaceae (Monocotylendoneae - Alismatales), adapted to growing in seawaters and all their important life circle events taking place under water including pollination distribution diasporas. widespread littoral areas World Ocean, except for Antarctica, play an ecosystem role. Due insufficiently stud...
Habitat suitability index (HSI) models are commonly used to predict habitat quality and species distributions and are used to develop biological surveys, assess reserve and management priorities, and anticipate possible change under different management or climate change scenarios. Important management decisions may be based on model results, often without a clear understanding of the level of ...
Prioritizing efforts for conserving rare and threatened species with limited past data and lacking population estimates is predicated on robust assessments of their occupancy rates. This is particularly challenging for elusive, long-lived and wide-ranging marine mammals. In this paper we estimate trends in long-term (over 50 years) occupancy, persistence and extinction of a vulnerable and data-...
Seagrass meadows are highly productive and ecologically important habitats in estuaries and coastal lagoons, and contain a variety of faunal communities, from which the caridean shrimps are a dominant component. The purpose of this work was to analyze the environmental parameters of water and sediments, with the biological components in seagrass epifaunal communities, from the Western Gulf of M...
To examine the synergism of high temperature and sulfide on two dominant tropical seagrass species, a large-scale mesocosm experiment was conducted in which sulfide accumulation rates (SAR) were increased by adding labile carbon (glucose) to intact seagrass sediment cores across a range of temperatures. During the initial 10 d of the 38 d experiment, porewater SAR in cores increased 2to 3-fold ...
Seagrasses are being lost at alarming rates worldwide, most often due to anthropogenic effects, but few reports have examined how seagrass loss affects the metabolism of coastal ecosystems. Here, we address this question by comparing both areal and system-integrated daytime benthic metabolic rates across 3 lagoons in the North Central Gulf of Mexico that display varying levels of abundance of t...
Introduction: The Chesapeake Bay was once renowned for expansive meadows of submerged aquatic vegetation (SAV). However, only 10% of the original meadows survive. Future restoration efforts will be complicated by accelerating climate change, including physiological stressors such as a predicted mean temperature increase of 2–6°C and a 50–160% increase in CO2 concentrations. Outcomes: As the Che...
Population connectivity influences the distribution of genetic diversity and divergence along a species range, as likelihood extinction or differentiation increases in isolated populations. However, there is still poor understanding processes mediating inter-population dispersal marine that are sessile lack planktonic life stages. One such case seagrass Halodule wrightii , which produces basal ...
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