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188 results for “marine biogeography”
Figure 2 in Biogeography of marine tintinnid ciliates (Ciliophora, Tintinnida): a Scale-Dependent Model
Figure 2. Species accumulation curve for tintinnid ciliates collected in Sevastopol Bay of the Black Sea.
Figure 1 in Biogeography of marine tintinnid ciliates (Ciliophora, Tintinnida): a Scale-Dependent Model
Figure 1. Sample sites in the Sevastopol Bay: 1 - "2 miles"; 2 – "Ravelin"; 3 – "Cape of the Pontoon crossing"; 4 – "Sukharnaya Beam". Modified from Gavrilova & Dovgal (2019b).
Figure 18 in Biogeography of marine tintinnid ciliates (Ciliophora, Tintinnida): a Scale-Dependent Model
Figure 18. Results of cluster analysis (Simpson index) of species compositions of tintinnid ciliates in the Southern Ocean; in nodes of dendrogram, the results of bootstrap-analysis are marked.
Brazilian marine biogeography: a multi-taxa approach for outlining sectorization
<p>Biotic dataset for the article <strong>Brazilian marine biogeography: a multi-taxa approach for outlining sectorization</strong></p>
What Darwin couldn't see: Island formation and historical sea levels shape genetic divergence and island biogeography in a coastal marine species
<p>Oceanic islands play a central role in the study of evolution and island biogeography. The Galapagos Islands are one of the most studied oceanic archipelagos but research has almost exclusively focused on terrestrial organisms compared to marine species. Here we used the Galapagos bullhead shark (<em>Heterodontus quoyi</em>) and single nucleotide polymorphisms (SNPs) to examine evolutionary processes and their consequences for genetic divergence and island biogeography in a shallow-water marine species without larval dispersal. The sequential separation of individual islands from a central island cluster gradually established different ocean depths between islands that pose barriers to dispersal in <em>H. quoyi</em>. Isolation-by-resistance analysis suggested that ocean bathymetry and historical sea level fluctuations modified genetic connectivity. These processes resulted in at least three genetic clusters that exhibit low genetic diversity and effective population sizes that scale with island size and the level of geographic isolation. Our results exemplify that island formation and climatic cycles shape genetic divergence and biogeography of coastal marine organisms with limited dispersal comparable to terrestrial taxa. Because similar scenarios exist in oceanic islands around the globe our research provides a new perspective on marine evolution and biogeography with implications for the conservation of island biodiversity.</p>
Functional biogeography of coastal marine invertebrates along the south-eastern Pacific coast
<p><span>Characterizing the spatial structure of taxonomic and functional diversity (FD) of marine organisms across regional and latitudinal scales is essential for improving our understanding of the processes driving species richness and those that may constrain or enhance the set of species traits that define the functional structure of communities. Here, we present the functional diversity of coastal invertebrate macrofaunal species along the south-eastern Pacific, from 7°N to 56°S, we describe spatial variation of species traits, and examine the relationship with environmental variables. </span><span>We define the functional traits and the distribution range of 2350 marine macroinvertebrates to calculate eight metrics of FD. Random forest regression was applied to identify significant relationships between FD and six environmental variables. Finally, functional ß</span><span>-turnover was estimated to detect alongshore shifts in functional structure and their coincidence with biogeographical domains. </span><span>In contrast with taxonomic richness, measures of trait differences, functional space and functional specialisation increase with latitude, while functional evenness exhibits a humpback shape, peaking at mid-latitudes. Functional redundancy decreases significantly poleward, while indications of vulnerability increase. In contrast to taxonomic richness, FD was tightly connected to variables indicative of stress and productivity, such as dissolved oxygen and nutrients. Sea surface temperature and coastal area best explained the increased FD redundancy towards the tropics. The high spatial correlation between taxonomic and functional ß-turnover suggests environmental filters play an important role in the functional structure of the seascape. </span><span>Our findings suggest that processes favouring taxonomic richness are latitudinally divergent from those favouring functional diversity. Correlations with environmental variables suggest that increased sea surface temperature and measures of stability increase redundancy, while variation in dissolved oxygen and nutrients positively affect functional diversification. Moreover, the functional diversity patterns suggest low resilience of high-latitude coastal ecosystems, which are heavily exploited and threatened by climate change, hence highlighting the urgent need for effective conservation policies.</span></p>
Functional biogeography of coastal marine invertebrates along the south-eastern Pacific coast
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What Darwin couldn't see: Island formation and historical sea levels shape genetic divergence and island biogeography in a coastal marine species
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FIGURE 133. Lagocephalus guentheri Miranda Ribeiro 1915 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 133. Lagocephalus guentheri Miranda Ribeiro 1915, Beirut, 28 April 2009, AUBM (OS3834).
FIGURE 132 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 132. Lagocephalus sceleratus (Gmelin 1789), Batroun, 24 October 2009.
FIGURE 127 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 127. Plotosus lineatus (Thunberg 1787), Beirut, 12 February 2010, AUBM (OS3726).
FIGURE 89 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 89. Capros aper (Linnaeus 1758), Beirut, 3 May 2008, AUBM (OS3821).
FIGURE 85 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 85. Stomias boa (Risso 1810), Beirut, 14 November 2005, AUBM (OS1764).
FIGURE 82. Scorpaena porcus Linnaeus 1758 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 82. Scorpaena porcus Linnaeus 1758, Batroun, 24 January 2000.
FIGURE 80 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 80. Peristedion cataphractum (Linnaeus 1758), Beirut, August 2008, AUBM (OS3705).
FIGURE 83. Gonostoma denudatum Rafinesque 1810 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 83. Gonostoma denudatum Rafinesque 1810, Batroun, 21 April 2006, AUBM (OS3694).
FIGURE 126. Synanceia verrucosa Bloch & Schneider 1801 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 126. Synanceia verrucosa Bloch & Schneider 1801, Tyre, 29 January 2012.
FIGURE 79 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 79. Dactylopterus volitans (Linnaeus 1758), Beirut, 15 December 2009, AUBM (OS3681).
FIGURE 71 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 71. Mycteroperca rubra (Bloch 1793), Jounieh, 13 August 2005.
FIGURE 65 in The marine ichthyofauna of Lebanon: an annotated checklist, history, biogeography, and conservation status
FIGURE 65. Umbrina cirrosa (Linnaeus 1758), Beirut, 21 July 2008, AUBM (OS3715).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.