Alternator, Journal Year: 2024, Volume and Issue: unknown
Published: March 14, 2024
Marine Environmental Research, Journal Year: 2024, Volume and Issue: 197, P. 106485 - 106485
Published: April 5, 2024
Although saltmarshes are critical coastal ecosystems they threatened by human activities and sea-level rise (SLR). Long-term restoration management strategies often hampered an insufficient understanding of the past, present, future processes that influence tidal wetland functionality change. As vegetation distribution in relation to elevation hydroperiod is basis decisions, this study investigated relationships between micro-topography, hydroperiod, saltmarshes, mangroves, unvegetated flats a tropical estuary situated within Great Barrier Reef Catchment North Queensland, Australia. A combination high-resolution unattended-aerial-vehicle (UAV)-derived digital model (DEMs) land cover coupled with 2D hydrodynamic modelling was used investigate these aspects. Zonation more complex than generally recognised legislation, overlapping across elevation. Additionally, although each type had distinct mean hydroperiods, hydroperiods were strongly correlated, explained only 15% variability distribution. This suggests other factors (e.g., groundwater dynamics) likely contribute zonation patterns. These findings underline simplistic rules causality wetlands need be applied caution. Their applicability vary depending on contexts, as observed our site, varying environmental biological playing important roles patterns components. We also identified strong monthly connectivity experienced 10.26% succulent inundated during lower-than-average tides compared 66% higher than-average tides), highlighting importance integrating temporal dynamics research management. we explored potential effects (SLR) site. The results show inundation may increase importantly if does not keep up SLR under 0.8 m sea level scenarios, maximum depth saltmarsh higher-than-average 184.1 mm current mean-maximum mangroves). underlines acquiring detailed spatio-temporally resolved data enable development robust long-term adaptive strategies. Our discussed from perspective. highlight uncertainties complexities influencing functionality, hence, their prospects.
Language: Английский
Citations
3
Marine Pollution Bulletin, Journal Year: 2023, Volume and Issue: 197, P. 115762 - 115762
Published: Nov. 16, 2023
Seagrass meadows provide several ecological functions that improve the overall health of coastal systems and therefore, it is urgent to promote restoration such habitats. In Ria de Aveiro, a lagoon in Atlantic Coast Portugal, initiative was responsible for transplanting dwarf eelgrass Zostera noltei into highly degraded area. This used as nature-based solution (NbS) mitigate some impacts historical mercury contamination. Comparisons key-species features (density biomass), community-derived indicators (total density biomass, species richness Shannon-Wiener index) between transplanted seagrass patch, their bare vicinities, counterpart habitats on source area, provided signs effectiveness action benthic communities' recovery. Indicators were higher within restored meadow, biomass derived meadow similar meadow.
Language: Английский
Citations
7
Restoration Ecology, Journal Year: 2024, Volume and Issue: 32(5)
Published: May 1, 2024
Seagrasses provide key ecological services in coastal marine and estuarine environments. Human activities environmental changes affect seagrasses compromising their structure functioning. In this context, seagrass restoration has become a worldwide priority to halt reverse degradation recover ecosystem functionality associated services. Here, we investigate the sexual reproduction of Posidonia oceanica by describing flowering fruiting process. Furthermore, compare structural (survival shoot density) functional (daily leaf production, DLP) descriptors seedlings with those derived from P. transplantation performed through cuttings assess feasibility as an integrative source vegetal material for purposes. Despite many initial flowers fruits, small number mature fruits are produced, confirming low reproductive success phanerogam. A comparison features showed that similar survival density rates after more than 2 years. addition, DLP increased length over study period, reaching value registered cuttings. The demonstrates effectiveness using efforts. It also emphasizes importance exploring ecology better understand temporal spatial variations flowering, well success, at local basin scales.
Language: Английский
Citations
2
Estuarine Coastal and Shelf Science, Journal Year: 2024, Volume and Issue: unknown, P. 108959 - 108959
Published: Sept. 1, 2024
Language: Английский
Citations
2
Frontiers in Marine Science, Journal Year: 2023, Volume and Issue: 9
Published: Jan. 11, 2023
Urban-industrial seascapes are prevalent around the world, yet we lack a basic understanding of how mosaic different habitats in these areas used by mobile marine fauna, including features such as industrial ports and marinas. Urbanised have been alternately characterised scientific literature degraded, depauperate, or some cases diverse abundant. To advance our spatial temporal community fauna areas, repeated sonar image sampling over large swathes two urban-industrial seascapes, combined with underwater video. 2,341 segments were captured across Mackay Harbour Pioneer River estuary (North Queensland, Australia). We this information to generate preliminary ecology locations. found that overall, can contain counts similar natural dynamic diel shifts arrangement water column. At night, fish column, while during day, assemblages dominated small fish. Within deeper containing heavy infrastructure harbour densities fish, heavily targeted fisheries species. These deserve recognition habitat, consequence fisheries, potential influence surrounding ecosystems. Important research questions remain regarding their impact on food webs animal movement at larger scales.
Language: Английский
Citations
6
Ecology Of Freshwater Fish, Journal Year: 2023, Volume and Issue: 32(4), P. 804 - 823
Published: May 29, 2023
Abstract Coregonine fishes, including lake whitefish ( Coregonus clupeaformis ) and cisco C. artedi ), are socioecologically important in the Laurentian Great Lakes of conservation concern, but processes driving recruitment variability unclear. In Lake Ontario, exhibit similar spawning behaviours early life histories, population trajectories diverging. One hypothesis is that sympatric larvae occupy distinct habitats experience dissimilar local environmental conditions, despite co‐occurrence within nursery areas. We described spatiotemporal distributions larval among multiple Ontario embayment areas, characterised physical habitat features associated with their distributions, determined degree spatial partitioning between species evaluated how niche divergence occurred along an ontogenetic progression. Both were widely distributed across though less abundant more narrowly than cisco. Within yolk sac stage, occupied nearshore, shallower colder waters cisco, indicating potential congeners. However, distributional differences subtle likely driven by differential hatch timing staggered shifts. Combined, our results illustrate use through stage demonstrate ontogeny species‐specific phenology influence for these species. This study provides additional evidence histories highly does not support a major driver success
Language: Английский
Citations
6
Frontiers in Marine Science, Journal Year: 2021, Volume and Issue: 8
Published: Aug. 20, 2021
Despite genuine attempts, the history of marine and coastal ecosystem management is littered with examples poor environmental, social financial outcomes. Marine ecosystems are largely populated by species open populations, feature ecological processes that driven multiple, interwoven, dynamic causes effects. This complexity limits acquisition relevant knowledge habitat characteristics, utilisation dynamics. The consequence this lack uncertainty about link between action taken outcome achieved. Such risks misdirected human investment, sometimes may even lead to perverse Technological advances offer new data opportunities, but diversity biological information needed reduce means increase in will be slow unless it undertaken a structured focussed way. We introduce “Ecological Constraint Mapping” – an approach takes “supply chain” point view focusses on identifying principal factors constrain life-history outcomes (success/productivity/resilience/fitness) for species, ultimately quality resilience they components of, supporting values provide. By providing framework efficient development actionable knowledge, Ecological Mapping can facilitate move from paradigm-based knowledge-informed decision-making issues. It suitable developing optimal solutions wide range conservation problems, organised aligns current perspectives complex nature systems.
Language: Английский
Citations
13
International Journal of Environmental Research and Public Health, Journal Year: 2022, Volume and Issue: 19(20), P. 13295 - 13295
Published: Oct. 15, 2022
In order to achieve a comprehensive evaluation of the environmental impact ecological restoration projects (ERP) under current destruction and coastal areas, this paper takes into account positive negative indicators on environment; analyzes benefits ERP; establishes index system for marine ERP from ecological, economic, social perspectives through DPSIR model. On basis, cloud model Monte Carlo simulation are used obtain assessment grade construction period, short-term operation, long-term operation in project life cycle. The results show that ERP, considering factors, significantly reduced, will increase remarkably period. engineering practice, pressure factor caused by excessive human activities during periods is key affecting overall ERP. For decision makers other stakeholders, impacts more practical. At same time, should take active response measures framework sustainable development, set tolerance threshold indicators, strengthen management
Language: Английский
Citations
8
Ecological Engineering, Journal Year: 2024, Volume and Issue: 209, P. 107426 - 107426
Published: Oct. 11, 2024
Language: Английский
Citations
1
Estuaries and Coasts, Journal Year: 2023, Volume and Issue: 47(2), P. 352 - 375
Published: Oct. 29, 2023
Abstract Tidal wetlands continue to be threatened by changes in seascape hydrological regime and connectivity resulting from human activities (e.g. urbanisation, engineered barriers) climate change. Reliable parsimonious models that can used managers practitioners simulation tidal wetland hydroperiod dynamics (duration, depth, frequency of inundation) at high-resolution are limited presumably because these ecosystems have very low elevation across their flooding plain. Here, we developed a two-dimensional hydrodynamic model parameterised using (3 cm) accurate (8-cm RMSE error) digital (DEM) land cover map (2-cm resolution) derived unoccupied aerial vehicles (UAVs) structure motion photogrammetry (SfM) assist the understanding an upper Australian tropical seascape. Ground-based water level datasets were calibrate validate with higher accuracy (RMSE = 7 cm between maximum observed simulated depth). The approach demonstrates how small topography such as vehicle tracks interfere connectivity. Centimetre-changes height resulted important variations (10 ha) total area being inundated, suggesting anthropogenic modifications inputs culverts sea-level rise) might implications on inundation patterns. Despite challenges related reconstructing densely vegetated areas obtaining bathymetric data, method here represents cost-effective quantify hydroperiod. This assists planning, defining, implementing effective measurable restoration protection projects ecosystems. Graphical
Language: Английский
Citations
3