Mostrando 161 - 180 Resultados de 537 Para Buscar '"nearshore"', tiempo de consulta: 0.16s Limitar resultados
  1. 161
    por Tait, Leigh W., Schiel, David R.
    Publicado 2011
    “…Macroalgal assemblages are some of the most productive systems on earth and they contribute significantly to nearshore ecosystems. Globally, macroalgal assemblages are increasingly threatened by anthropogenic activities such as sedimentation, eutrophication and climate change. …”
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  2. 162
    “…The selection of the shallow nearshore microhabitat at low tidal heights during periods of high predator abundance (warm season) suggests that this microhabitat may serve as a refuge, although it may come with metabolic costs due to higher temperatures. …”
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  3. 163
  4. 164
    “…For the region as a whole, we found significant increases in developed land cover adjacent to each of the habitat types evaluated (nearshore, estuary, mainstem channel, tributary channel, and floodplain), but the increases were small (<1% total increase from 1986 to 2008). …”
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  5. 165
    “…We also tested whether assemblages in shallow nearshore habitats commonly sampled by beach seines are similar to those of nearby eelgrass beds often sampled by UVC. …”
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  6. 166
    “…The near-complete elimination of the spatial coverage of nearshore coral represents an underappreciated spatial component of the shifting baseline syndrome, with important lessons for other species and ecosystems. …”
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  7. 167
    “…Their overall abundance in nearshore stations was significantly different from that in offshore stations (P<0.5). …”
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  8. 168
    “…Seasonally, our results showed that cisco stayed in nearshore waters in spring, migrated to offshore waters in summer, and then migrated back to nearshore waters in fall. …”
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  9. 169
    “…However, nearshore reefs still support a high abundance of the endangered reef-building coral Orbicella annularis, highlighting the need to conserve these natural shoreline protectors. …”
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  10. 170
    “…Consequently, climate-mediated changes to coastal terrestrial ecosystems and hydrologic regimes have high potential to influence nearshore ocean chemistry and food web dynamics. Research from tightly coupled, high-flux coastal ecosystems can advance understanding of terrestrial–marine links and climate sensitivities more generally. …”
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  11. 171
    “…Species composition varied geographically, shifting from a nearshore community that included short-tailed shearwaters, loons, and seaducks to an offshore community dominated by crested auklets. …”
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  12. 172
    “…Whereas marine subsidies in other systems are generally derived from lower trophic levels, here an apex nearshore predator became a key prey species and linked nearshore and terrestrial food webs in a recently deglaciated and rapidly changing ecosystem. …”
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  13. 173
    “…Global sea surface temperatures (SSTs) are increasing, and in Hawaiʻi, rates of ocean warming are projected to double by the end of the 21(st) century. However, current nearshore warming trends and their possible impacts on intertidal communities are not well understood. …”
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  14. 174
    “…Marine macroalgae are important indicators of healthy nearshore groundwater dependent ecosystems (GDEs), which are emergent global conservation priorities. …”
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  15. 175
    “…High site fidelity and limited movements within nearshore areas are hypothesized to have resulted in high catchability, a major factor that has contributed to overfished stocks. …”
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  16. 176
    “…Previous efforts to protect shorelines have largely involved constructing bulkheads and seawalls which can detrimentally affect nearshore habitats. Recently, efforts have shifted towards “living shoreline” approaches that include biogenic breakwater reefs. …”
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  17. 177
    “…We conservatively estimate an increase of up to 100% background PO(4) (3−) concentrations (0.12 µmol L(-1) over a background level of 0.06 µmol L(-1)) in nearshore waters during low water renewal conditions in a populated beach in Majorca island. …”
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  18. 178
    por D'Sa, Eurico J., Ko, Dong S.
    Publicado 2008
    “…The backscattering spectral slope γ, a parameter sensitive to particle size distribution also indicated lower γ values (larger particles) in nearshore waters that decreased offshore (smaller particles). …”
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  19. 179
    “…Here we sampled three habitat types (river, rivermouth and nearshore zone) in 11 tributaries of Lake Michigan to assess the amount of FA in seston and primary consumers of seston. …”
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  20. 180
    “…Olive (Sebastes serranoides), black (Sebastes melanops), and blue rockfish (Sebastes mystinus) are all common inhabitants of nearshore ecosystems on the West coast of North America and important components of the recreational fishery off California. …”
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