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107 results for “mudflat”
Fig. 13 in Alpheid Shrimps From The Mangroves And Mudflats Of Singapore. Part I. Genera Salmoneus, Athanas And Potamalpheops, With The Description Of Two New Species (Crustacea: Decapoda: Caridea)
Fig. 13. Athanas polymorphus Kemp, first chelipeds of male IV (ZRC 2003.0086) from Sungei Buloh: a, major cheliped, lateral view; b, same, mesial view; c, same, chela, distal palm and fingers; d, minor cheliped, lateral view; e, same, mesial view; f, same, chela, distal palm and fingers. Scales: Scales: A (a, b, d, e), B (c, f), both scales: 1 mm.
Fig. 17 in Alpheid Shrimps From The Mangroves And Mudflats Of Singapore. Part I. Genera Salmoneus, Athanas And Potamalpheops, With The Description Of Two New Species (Crustacea: Decapoda: Caridea)
Fig. 17. Athanas japonicus Kubo, male from Yamaguchi, Japan (MNHN-Na 13640): a, frontal region, dorsal view; b, same, lateral view; c, (major?) first cheliped, mesial view; d, same, lateral view; e, same, chela, distal palm and fingers; f, second pereiopod; g, third pereiopod; h, telson. Scales: A (c, d), B (a, b, e-h), both scales: 1 mm.
Fig. 2 in Feeding Biology Of Eel Catfish Plotosus Canius Hamilton In A Malaysian Mangrove Estuary And Mudflat
Fig. 2. PCA biplots based on composition of food items (percentage volume) consumed by P. canius in Sementa Kecil estuary (K) and Sungai Buloh mudflat (B). Dotted arrows denote major food items: Sesar = Sesarminae, Rhizo = Rhizopinae, Bra = other brachyurans, Prawn = prawns and shrimps, Amphi = hyperiid amphipods, Iso = Isopoda, Crust = miscellaneous crustaceans, Poly = Polychaeta, Gas = Gastropoda, Bv = Bivalvia, Pisces = Pisces, Detri = mangrove detritus, Others = others. Symbols denote size classes as in Table 2: Sungai Buloh mudflat: B1 to B11 size classes from 41–480 mm at 40 mm intervals. Sungai Sementa Kecil: K1 to K12 size classes from 41–480 mm at 40 mm intervals. Ontogenetic shift in food composition is indicated by solid thin arrows.
Fig. 1 in Feeding Biology Of Eel Catfish Plotosus Canius Hamilton In A Malaysian Mangrove Estuary And Mudflat
Fig. 1. The mangrove estuary of Sungai Sementa Kecil (K) and a mudflat at Sungai Buloh (B) in Selangor, Malaysia.
Benthic invertebrates from intertidal mudflats at the on the coast of Virginia, 2016
We surveyed benthic invertebrates, primarily infauna, during the summer of 2016 on several intertidal mudflats using wet- sieved sediment cores. Infauna cores (25 cm diameter, 10 cm deep) were taken along 100 meter transects (4 sites; 2-4 transects per site; 4 cores per transect). Polychaete individuals were identified to family, while other taxa were identified to phylum or lower. Some groups were counted together, as follows: Gastropods (sea slugs, nudibranchs, snails); small crustaceans (amphipods, isopods and shrimp); large crustaceans (crabs); bivalves (clams). The cnidaria group here is composed of burrowing anemones, Enteropneusta is the acorn worm and Diptera here is burrowing fly larvae. Data Table 1 provides the numbers of different taxa from each core taken along each transect at each site. Additionally, the AFDW (ash free dry weight) of the infauna sampled is included. Data Table 2 provides a summary of the polychaete biodiversity data presented in Spreadsheet 1, with the total counts for each polychaete family found at the four different sites. Samples were collected during May of 2016. Polychaetes were identified using Polychaete Key for Chesapeake Bay and Coastal Virginia (Bartholomew 2001).
Genetic variation in an ephemeral mudflat species: the role of the soil seed bank and dispersal in river and secondary anthropogenic habitats
<p>Many ephemeral mudflat species, which rely on a soil seed bank to build up the next generation, are endangered in their natural habitat due to the widespread regulation of rivers. The aim of the present study was to elucidate the role of the soil seed bank and dispersal for the maintenance of genetic diversity in populations of near-natural river habitats and anthropogenic habitats created by traditional fish farming practices using <i>Cyperus fuscus</i> as a model. Using microsatellite markers, we found no difference in genetic diversity levels between soil seed bank and above-ground population and only moderate differentiation between the two fractions. One possible interpretation is the difference in short-term selection during germination under specific conditions (glasshouse versus field) resulting in an ecological filtering of genotypes out of the reservoir in the soil. River populations harboured significantly more genetic diversity than populations from the anthropogenic pond types. We suggest that altered levels and patterns of dispersal together with stronger selection pressures and historical bottlenecks in anthropogenic habitats are responsible for the observed reduction in genetic diversity. Dispersal is also supposed to largely prohibit genetic structure across Europe, although there is a gradient in private allelic richness from southern Europe and Anatolia (high values) to northern, especially north-western, Europe (low values), which probably relates to postglacial expansion out of southern and/or eastern refugia.</p>
Biodiversity of mudflat intertidal viromes along the Chinese coasts
<p>The study dataset contains 21,964 viral contigs (Intertidal_viruses.fa), 20,102 vOTUs (Intertidal_vOTUs.fa), 238,445 vPCs (Intertidal_vPCs.gene and Intertidal_vPCs.protein), and 2,259 mOTUs (Intertidal_mOTUs.zip) obtained from 96 intertidal sediment metagenomes spanning 12 coastal regions from southmost to northmost in China. In addition, DOM tables (DOM_scaled_int_tab.csv) used in this study can also be obtained here.</p> <p>If this study dataset is useful, please cite: Ji et al. Biodiversity of mudflat intertidal viromes along the Chinese coasts. <em>Nat Commun</em> <strong>15</strong>, 8611 (2024). https://doi.org/10.1038/s41467-024-52996-x</p> <p>For any other dataset/analysis inquiries, please contact me: jimengzhi@mail.sdu.edu.cn.</p> <p>The R code for this manuscript can be obtained from https://github.com/MengzhiJ.</p>
Impact of chronic and massive resuspension mechanisms on the microphytobenthos dynamics in a temperate intertidal mudflat
<p><em>In situ</em> data along with input/output files and code of the model used in the manuscript by Savelli et al. submitted to Journal of Geophysical Research: Biogeosciences</p> <p>Savelli, R., Bertin, X., Orvain, F., Gernez, P., Dalle, A., Coulombier, T., Pineau, P., Lachaussée, N., Polsenaere, P., Dupuy, D., Le Fouest, V., submitted. Impact of chronic and massive resuspension mechanisms on the microphytobenthos dynamics in a temperate intertidal mudflat. <em>Journal of Geophysical Research: Biogeosciences</em></p> <p>See the readme.txt file for explicit details on the repository.</p>
Fig. 1 in Alpheid Shrimps From The Mangroves And Mudflats Of Singapore. Part I. Genera Salmoneus, Athanas And Potamalpheops, With The Description Of Two New Species (Crustacea: Decapoda: Caridea)
Fig. 1. Salmoneus singaporensis, new species, holotype, probably male, habitus. Scale: 1 mm.
Fig. 8. Athanas polymorphus Kemp, male I in Alpheid Shrimps From The Mangroves And Mudflats Of Singapore. Part I. Genera Salmoneus, Athanas And Potamalpheops, With The Description Of Two New Species (Crustacea: Decapoda: Caridea)
Fig. 8. Athanas polymorphus Kemp, male I from Sungei Buloh (ZRC 2003.0085), habitus. Scale: 1 mm.
Figure 1 in Fecundity, embryo size and embryo loss in the estuarine shrimp Salmoneus carvachoi Anker, 2007 (Crustacea: Alpheidae) from a tidal mudflat in northeastern Brazil
Figure 1. Measurements of morphological characters of Salmoneus carvachoi obtained from the Paripe River estuary, Pernambuco, northeastern Brazil, in December 2016 and February 2017. CL: Carapace Length; PW: Pleura Width; PH: Pleura Height and SW: Sternite Width.
Figure 3 in Fecundity, embryo size and embryo loss in the estuarine shrimp Salmoneus carvachoi Anker, 2007 (Crustacea: Alpheidae) from a tidal mudflat in northeastern Brazil
Figure 3. Comparison of mean embryo volume at the initial (I), intermediate (II), and final stage of development in Salmoneus carvachoi obtained from the Paripe River estuary, Pernambuco, northeastern Brazil, in December 2016 and February 2017.
Figure 2 in Fecundity, embryo size and embryo loss in the estuarine shrimp Salmoneus carvachoi Anker, 2007 (Crustacea: Alpheidae) from a tidal mudflat in northeastern Brazil
Figure 2. Correlations between fecundity and carapace length (A), width of the pleura of the second abdominal somite (B), sternite width measured at the level of the second abdominal somite (C), and pleura height of the second abdominal somite (D). Specimens of Salmoneus carvachoi were obtained from the Paripe River estuary, Pernambuco, northeastern Brazil, in December 2016 and February 2017.
Genetic variation in an ephemeral mudflat species: the role of the soil seed bank and dispersal in river and secondary anthropogenic habitats
Open the record for dataset details and reuse information.
UCSB SONGS Mitigation Monitoring: Wetland Process Study - Elevations of Spartina in Tidal Creek and Mudflat Habitats in Restored and Natural Wetlands in Southern California
These data describe the elevations of vegetated and unvegetated areas within tidal creek and mudflat habitats at the restored San Dieguito Wetlands (Del Mar, CA), the restored San Elijo Lagoon (Solana Beach, CA), and the natural Tijuana River Estuary (San Diego, CA). Data were collected in November 2022. Transects were established in these habitats at each wetland; the elevation and vegetation type were documented for at least seven points along at least five transects per habitat type.
Sediment chlorophyll-a, pheophytin, biogenic silica, and carbohydrate content (EPS) from the Rowley River mudflat in September 2012, Rowley, MA
Tidal flats are critical components of coastal estuarine ecosystems characterized by high rates of benthic primary productivity and biogeochemical cycling. In order to investigate the impact of anthropogenic nutrient loading on tidal flat biogeochemistry we carried out a two-week fertilization experiment. Throughout the course of the study we conducted two light-dark, whole-core incubations and took measurements of three indicators of microphytobenthos activity in addition to quantifying the resident eastern mud snail (Ilyanassa obsoleta) population.
Potential impact of photoinhibition on microphytobenthic primary production on a large intertidal mudflat
<p>SImulations data from the NoPhoto and Photo runs.</p>
Figure 4 in Simple and complex burrow morphology in two Macrophthalmus species on the intertidal mudflats of Barr Al Hikman, Sultanate of Oman
Figure 4. Relationship between crab carapace width and burrow size at entrance for the two studied crab species. The dashed red line gives the significant linear model relating Macrophthalmus sulcatus carapace width to burrow size at entrance. Symbols within the points refer to burrows in which more than one crab was encountered; similar symbols refer to the same burrow.
Figure 3 in Simple and complex burrow morphology in two Macrophthalmus species on the intertidal mudflats of Barr Al Hikman, Sultanate of Oman
Figure 3. Drawing of a typical cast of the burrow of the two crabs studied. The ends of the burrow of Macrophthalmus depressus are open as the burrows were more extensive than our casts.
Figure 2 in Simple and complex burrow morphology in two Macrophthalmus species on the intertidal mudflats of Barr Al Hikman, Sultanate of Oman
Figure 2. Cast of a burrow of Macrophthalmus depressus. Note that the two casts were originally connected but broke during excavation.
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