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619 results for “estuarine”
Fig. 6. Ilyograpsus nodulosus Sakai, 1983 in A Revision Of The Estuarine Crab Genus Ilyograpsus Barnard, 1955 (Crustacea: Decapoda: Brachyura: Macrophthalmidae), With Descriptions Of A New Genus And One New Species
Fig. 6. Ilyograpsus nodulosus Sakai, 1983. Entire animals in dorsal view. A, male (cl 4.3 mm), SINH-Cr 1373, Suzaki, Kochi Prefecture, Japan; B, ovigerous female (cl 7.8 mm), SINH-Cr 1474, Nada, Urado Bay, Kochi, Kochi Prefecture, Japan.
Fig. 10 in A Revision Of The Estuarine Crab Genus Ilyograpsus Barnard, 1955 (Crustacea: Decapoda: Brachyura: Macrophthalmidae), With Descriptions Of A New Genus And One New Species
Fig. 10. Ilyograpsus paludicola (Rathbun, 1909). Male (cl 4.3 mm), ZRC 1998-1030, Bintan, Indonesia. A, carapace, ocular peduncles and antennae, dorsal view; B, cephalothorax and cephalic appendages, frontal view; C, lower orbital margin, ventral view; D, pleon, ventral view; E, merus of left cheliped, outer view; F, same, ventral view; G, carpus and chela of left cheliped, dorsal view; H, left chela, outer view; I, left fourth pereopod, dorsal view (setae omitted); J, fifth pereopod, dorsal view (setae partially omitted); K, left first gonopod, ventrolateral view; L, same, dorsal view. Scale bars: A, B, D, E–J = 1 mm; C, K, L = 0.5 mm.
Fig. 5. Ilyograpsus rhizophorae Barnard, 1955. A–E, I, J in A Revision Of The Estuarine Crab Genus Ilyograpsus Barnard, 1955 (Crustacea: Decapoda: Brachyura: Macrophthalmidae), With Descriptions Of A New Genus And One New Species
Fig. 5. Ilyograpsus rhizophorae Barnard, 1955. A–E, I, J, ovigerous female (cl 7.2 mm), MNHN-B 12842, Tuléar, Madagascar; F, H, ovigerous female (cl 5.3 mm), MNHN-B 12843, same locality; G, female (cl 7.4 mm), paratype of Ilyograpsus vannini Sawada, Hosogi & Sakai, 2005, RMNH-D 26501, south of Massawa, Gulf of Zula, Ethiopia. A, carapace, ocular peduncles and antennae, dorsal view; B, anterior part of cephalothorax, including left ocular peduncles and antennae, frontal view; C, left lower orbital margin, ventral view; D, pleon, ventral view; E, left third maxilliped, ventral view; F, left cheliped, dorsal view; G, same, merus, outer view; H, same, chela, outer view; I, right fourth pereopod, dorsal view; J, right fifth pereopod, dorsal view. Scale bars: A, D, F = 2 mm; B, C, E, G, I, J = 1 mm; H = 0.5 mm.
Fig. 9 in A Revision Of The Estuarine Crab Genus Ilyograpsus Barnard, 1955 (Crustacea: Decapoda: Brachyura: Macrophthalmidae), With Descriptions Of A New Genus And One New Species
Fig. 9. Ilyograpsus paludicola (Rathbun, 1909). Entire animals in dorsal view. A, male (cl 4.3 mm), ZRC 1998-1030, Bintan, Indonesia; B, female (cl 8.0 mm), same lot.
Fig. 1 in A Revision Of The Estuarine Crab Genus Ilyograpsus Barnard, 1955 (Crustacea: Decapoda: Brachyura: Macrophthalmidae), With Descriptions Of A New Genus And One New Species
Fig. 1. Schematic illustrations of: A, carapace; B, ambulatory leg, showing measurements and terminology. CL, carapace length; CW, carapace width; L, length; W, width.
Fig. 4. Ilyograpsus rhizophorae Barnard, 1955. A in A Revision Of The Estuarine Crab Genus Ilyograpsus Barnard, 1955 (Crustacea: Decapoda: Brachyura: Macrophthalmidae), With Descriptions Of A New Genus And One New Species
Fig. 4. Ilyograpsus rhizophorae Barnard, 1955. A, male (cl 5.0 mm), paratype of Ilyograpsus vannini Sawada, Hosogi & Sakai, 2005, RMNH-D 26501, south of Massawa, Gulf of Zula, Ethiopia; B–E, male (cl 3.8 mm), MNHN-B 12846, Nozy Bé, Madagascar. A, left part of carapace, left ocular peduncle and antenna, dorsal view; B, left cheliped, dorsal view; C, same, chela, outer view; D, right first gonopod, dorsal view; E, same, ventrolateral view. Scale bars: A, B, D = 1 mm; C, E = 0.5 mm.
Fig. 2 in Spatial Distribution Of Tropical Estuarine Nematode Communities In Sarawak, Malaysia (Borneo)
Fig. 2. Principal component analysis derived from the mean percentage of particle fractions in each study site. PC 1 and 2
Vulnerability of estuarine systems in the contiguous United States to water quality change under future climate and land-use
<p>Changes in climate and land-use and land-cover (LULC) are expected to influence surface water runoff and nutrient characteristics of estuarine watersheds, but the extent to which estuaries are vulnerable to altered nutrient loading under future conditions is poorly understood. The present work aims to address this gap through the development of a new vulnerability assessment framework that accounts for (1) estuarine exposure to projected changes in total nitrogen (TN) and total phosphorus (TP) loads as a function of LULC and climate change under several scenarios to altered nutrient loads, (2) sensitivity (i.e., how responsive estuaries are to altered nutrient loads), and (3) adaptive capacity (i.e., how the socio-ecological system can use existing resources to reduce the impacts associated with increased exposure). The framework was applied to 112 estuaries and their contributing watersheds across the contiguous U.S., specifically to look at regional variability in estuarine vulnerability to nutrient loading. Study findings revealed that the largest increases in estuarine nutrient loads are expected in the North and South Atlantic regions and eastern Gulf of Mexico, while the lowest increase is expected in the North and South Pacific regions and the western Gulf of Mexico. However, the North Atlantic and the South Pacific had the highest adaptive capacity, which could potentially counteract the effects of LULC and climate change on nutrient loads. Our findings illustrate the benefits of integrating natural and socio-ecological factors to identify opportunities to develop adaptation plans and policies to mitigate ecological degradation in vitally important estuaries. A<a href="https://lisemontefiore.shinyapps.io/estuarine_vulnerability/"> web-based application</a> has been developed to visualize and download the data.</p>
Figure 3 in The first investigation record of threatened horseshoe crabs in the Banyuasin estuarine, South Sumatra, Indonesia
Figure 3. The geographic distribution map of horseshoe crabs in Banyuasin Estuarine, South Sumatra, Indonesia.
Figure 2 in The first investigation record of threatened horseshoe crabs in the Banyuasin estuarine, South Sumatra, Indonesia
Figure 2. Carcinoscorpius rotundicauda from Banyuasin Estuarine Waters, South Sumatra, Indonesia. This species is smaller than the others and the only species where the telson cross-section is rounded. Female has a chelate clasper like scissors (red oval) while the male has a hemichelate clasper like hooks on the first and second walking legs (yellow oval).
Figure 1 in The first investigation record of threatened horseshoe crabs in the Banyuasin estuarine, South Sumatra, Indonesia
Figure 1. Tachypleus gigas from Banyuasin Estuarine Waters, South Sumatra, Indonesia. This species has a triangular telson shape and only one spine (yellow arrow) on the rear part of the opisthosoma. Female has a chelate clasper like scissors (red oval) while the male has a hemichelate clasper like hooks on the first and second walking legs (yellow oval).
Data, Scripts underlying the publication: Identifying the critical turbidity threshold to maintain estuarine tidal flats worldwide
<p>Data & Scripts featured in the currently unpublished manuscript (as of 21-07-2023) Grandjean et al.: 'Identifying the critical turbidity threshold to maintain estuarine tidal flats worldwide'. This study explores the relationship between tidal range and turbidity concentrations on the morphological trajectory of unvegetated tidal flats at a global scale. These files include the scripts used to produce digital elevation models per estuary.</p> <p> </p>
Use of historical isoscapes to develop an estuarine nutrient baseline
<p class="MsoNormal"><span>Coastal eutrophication is a prevalent threat to the healthy functioning of ecosystems globally. While degraded water quality can be detected by monitoring oxygen, nutrient concentrations, and algal abundance, establishing regulatory guidelines is complicated by a lack of baseline data (e.g., pre-Anthropocene). We use historical carbon and nitrogen isoscapes from sediment cores to reconstruct spatial and temporal changes in nutrient dynamics for a central California estuary, where development and agriculture dramatically enhanced nutrient inputs over the past century. We found strong contrasts between current sediment stable isotopes and those from the recent past, demonstrating </span>shifts exceeding those in previously studied eutrophic estuaries and <span>substantial increases in nutrient inputs. Comparisons of contemporary with historical isoscapes also revealed that nitrogen sources shifted from a marine-terrestrial gradient to amplified denitrification at the head and mouth of the estuary. Geospatial analysis of historical data suggests that an increase in fertilizer application – rather than population growth or increases in the extent of cultivated land – is chiefly responsible for increasing nutrient loads during the 20<sup>th</sup> century. This study demonstrates the ability of isotopic and stoichiometric maps to provide important perspectives on long-term shifts and spatial patterns of nutrients that can be used to improve management of nutrient pollution.</span></p>
Tidewater goby and estuarine fish records from seining, qPCR and metabarcoding data for Southern California estuaries in 2023
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Use of historical isoscapes to develop an estuarine nutrient baseline
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Phenology-informed decline risk of estuarine fishes and their prey suggests potential for future trophic mismatches
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Application of LiDAR to assess the habitat selection of an endangered small mammal in an estuarine wetland environment
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Lifetime carryover of early partial migration behaviors in an estuarine-dependent fish under climate change
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Does tidal marsh restoration lead to the recovery of trophic pathways that support estuarine fishes?
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Subyearling Chinook salmon diets in Lower Columbia River estuarine habitats
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International Brain Laboratory public data
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OpenNeuro
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