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736 results for “habitat distribution”
Distribution and habitat use of juvenile steelhead and other fishes of the lower Feather River
Understanding how fish presence is related to habitat features is useful in restoration planning and monitoring as better information about how fish use habitat may lead to more impactful restoration projects. The California Department of Water Resources (DWR), conducted a two-year study of microhabitat and mesohabitat in Feather River. The goal of this study was to identify relationships between habitat conditions (depth, substrate, velocity, and cover) and where juvenile Chinook salmon and steelhead occur. Snorkel surveys were conducted monthly March through August in 2001 and 2002 across 29 different sites, which were selected at random (13 in Low Flow Channel, and 16 in High Flow Channel). Each sampling section covered an area 25 meters long by 4 meters wide, running parallel to riverbank. These data were published to support the Healthy Rivers and Landscapes Science Program.
Distribution and habitat use of juvenile Feather River salmonids: 25 years and ongoing of snorkel surveys
Since 1999, the California Department of Water Resources (DWR) has conducted annual snorkel surveys to monitor juvenile salmon on the Feather River. The objective of this data collection effort is to determine the relative abundance and distribution of rearing juvenile Chinook salmon and steelhead. A secondary objective is to collect baseline data for future monitoring programs associated with habitat restoration projects. Crews survey units within 20 sampling sections on the high flow (HFC) and low flow channel (LFC) between January and September and collect information on species, fish size, substrate, cover, and habitat type. This dataset represents an extensive time series that could be used to identify habitat conditions where juvenile Chinook salmon and steelhead occur and how these conditions have changed over time. These data were published to support the Healthy Rivers and Landscapes Program.
MCR LTER: Coral Reef: Growth-predation risk trade-offs constrain the local distribution of a thicket-forming staghorn coral to marginal reef habitats; Data for Ladd et al., 2025, Scientific Reports.
This dataset is in support of the manuscript: Growth-predation risk tradeoffs constrain the local distribution of a thicket-forming staghorn coral to marginal reef habitats. These data were collected to 1) document how Acropora pulchra is distributed around the island of Moorea, and 2) to better understand the ecological processes that shape that distribution. Data include 1) results from surveys around the island of Moorea documenting the presence and size distribution of Acropora pulchra thickets, 2) results from an experiment measuring the growth and survivorship of Acropora pulchra fragments in the presence and absence of fish predators at nearshore fringing reef sites and adjacent sites in the mid lagoon (n = 20 sites in total), and 3) ancillary data on nitrogen content and dN15 in the tissue of the macroalgae Turbinaria ornata, sediment accumulation, and corallivore biomass at the experimental sites. All data were collected in 2016 and 2017.
Habitatquarries: distribution of underground marl quarries in the Flemish Region and border areas, with the Flemish distribution of Natura 2000 habitat type 8310
<p><strong>General</strong></p> <p>The data source is a geospatial collection of polygons that correspond with the presence or absence of the Natura 2000 Annex I habitat type 8310 (Caves not open to the public) in the Flemish Region (and border areas), Belgium. </p> <p>The dataset contains all known, not collapsed, underground marl quarries in Flanders. Several of these quarries have their entrance in or run underground to the neighboring regions/countries.</p> <p>In general, different polygons represent different quarry units with their own internal climatic environment. Units that cross Flemish borders have been split into separate polygons. Exceptionally they may overlap if such units are situated above each other. </p> <p>For safety reasons, the dataset only contains the contour of the quarries, and no details like floor plans or entrances. For admission to research the indoor climate, please contact the Quarries and Safety Department of the municipality of Riemst (<a href="https://www.riemst.be/nl/wonen/groeven">https://www.riemst.be/nl/wonen/groeven</a>; <a href="mailto:mike.lahaye@riemst.be">mike.lahaye@riemst.be</a>).</p> <p>The data source is produced, owned and administered by the Research Institute for Nature and Forest (INBO, a scientific institute of the Flemish government).</p> <p> </p> <p><strong>Technical aspects</strong></p> <p>The data source is a GeoPackage that contains:</p> <ul> <li> <p>a spatial polygon layer ‘<code>habitatquarries</code>’ in the Belgian Lambert 72 coordinate reference system (EPSG-code <a href="https://epsg.io/31370">31370</a>);</p> </li> <li> <p>a non-spatial table ‘<code>extra_references</code>’ with site-specific bibliographic references.</p> </li> </ul> <p>The data source has been based on an unpublished shapefile used in De Saeger & Lahaye (2019) and on a BibTeX bibliography file. See R-code in the GitHub repository <a href="https://github.com/inbo/n2khab-preprocessing/tree/c0821eb/src/generate_habitatquarries">'n2khab-preprocessing' at commit c0821eb</a> for the creation.</p> <p>A reading function to return <code>habitatquarries</code> (this data source) in a standardized way into the R environment is provided by the R-package <a href="https://inbo.github.io/n2khab/">n2khab</a>.</p> <p>The attributes of the spatial polygon layer ‘<code>habitatquarries</code>’ are: </p> <ul> <li> <p><code>polygon_id</code>: a unique number per polygon; </p> </li> <li> <p><code>unit_id</code>: a unique number for each quarry unit. Quarry units consisting of several polygons (= partly outside the Flemish region) have a number greater than 100;</p> </li> <li> <p><code>name</code>: name of the site;</p> </li> <li> <p><code>habitattype</code>: either:</p> <ul> <li> <p><code>8310</code> (habitat type 8310)</p> </li> <li> <p><code>gh</code> (no Natura 2000 type)</p> </li> <li> <p>missing (outside of the Flemish Region);</p> </li> </ul> </li> <li> <p><code>extra_reference</code>: extra reference with more information.</p> </li> </ul> <p>The non-spatial table <code>extra_references</code> provides the bibliography referred to by the spatial attribute <code>extra_reference</code>. It was derived from a BibTeX bibliography file by using the R-package <a href="https://docs.ropensci.org/bib2df">bib2df</a>, and it is back-convertible into one (see R-package <a href="https://inbo.github.io/n2khab/">n2khab</a>). The original bibliography file is also available in the above linked ‘n2khab-preprocessing’ repository.</p>
Distribution and habitat suitability maps for Central European steppe plants
<p>This dataset contains distribution maps for Central European steppe plants and coordinates of species occurrence points used by Divíšek et al. (2022) to calibrate habitat suitability models. These models were projected onto past climates and the resulting habitat suitability maps for 10 periods since the Last Glacial Maximum (LGM) are also included. These maps were further used as input data for simulations of species migration from climatically suitable areas in the LGM to identify those that may have served as a source for colonisation of the species' current ranges. For each species, we present maps of climatically suitable areas during the LGM and mid-Holocene (for the latter period, only areas accessible from the LGM are shown), as well as maps of the "source areas" from which the species may have colonised the regions occupied today.</p>
Data and code for: Habitat preference of an herbivore shapes the habitat distribution of its host plant
<p>Initial release of analysis and code for:</p> <p>Alexandre, N. M., P. T. Humphrey, A. D. Gloss, J. Lee, J. Frazier, H. A. Affeldt III, and N. K. Whiteman. 2018. Habitat preference of an herbivore shapes the habitat distribution of its host plant. Ecosphere 00(00):e02372. (full citation pending)</p> <p>Release published to accompany corrected proofs on 2018-Jul-26.</p>
Data from: Habitat suitability models reveal extensive distribution of deep warm water coral frameworks in the Red Sea
<p>Deep-sea coral frameworks are understudied in the Red Sea, where conditions in the deep are conspicuously warm and saline compared to other basins. Habitat suitability models can be used to predict the distribution pattern of species or assemblages where direct observation is difficult. Here we show how coral frameworks, built by species within the families Caryophylliidae and Dendrophylliidae, are distributed between water depths of 150 m and 700 m in the northern Red Sea and Gulf of Aqaba. To extrapolate the known (ground-truthed) positions of these deep frameworks, we use environmental and geomorphometric variables to inform well-performing maximum entropy models. Over 250 km2 of seafloor in our study area are identified as suitable for such frameworks, equivalent to at least 35% of the area of photic-zone coral reefs in the same region. We hence contend that deep-water coral frameworks are an important and underappreciated repository of Red Sea biodiversity.</p>
Distribution of functionally distinct native and non-indigenous species within marine urban habitats
<p>This data file (.xls) is composed of 5 sheets:</p> <ol> <li>The “Taxon labels”: Taxon code, full name, authority and status/type (Abiotic, Unassigned, Native, Cryptogenic, Non-Indigenous Species)</li> <li>The “Trait labels”: Trait modality and labels and correspondences.</li> <li>The “Taxon-by-Trait matrix”: Fuzzy coded scores for each trait modality and taxon</li> <li>The “Taxon-by-sample matrix”: Abundance data of retained taxa in samples</li> <li>The “Sample labels and description”: Site and experimental factors (Habitat, Age, Experimental Unit, Replicate, nested within site) corresponding to each sample.</li> </ol> <p>Sheets 4 and 5 are extracted from a published dataset, which cannot be shared at this stage of revision without revealing the name of several of the manuscript authors. This is done in respect with the journal guidelines about data storage.</p>
Distribution of functionally distinct native and non-indigenous species within marine urban habitats
<p>This data file (.xls) is composed of 5 sheets:</p> <ol> <li>The “Taxon labels”: Taxon code, full name, authority and status/type (Abiotic, Unassigned, Native, Cryptogenic, Non-Indigenous Species)</li> <li>The “Trait labels”: Trait modality and labels and correspondences.</li> <li>The “Taxon-by-Trait matrix”: Fuzzy coded scores for each trait modality and taxon</li> <li>The “Taxon-by-sample matrix”: Abundance data of retained taxa in samples</li> <li>The “Sample labels and description”: Site and experimental factors (Habitat, Age, Experimental Unit, Replicate, nested within site) corresponding to each sample.</li> </ol> <p>Sheets 4 and 5 are extracted from a published dataset, which cannot be shared at this stage of revision without revealing the name of several of the manuscript authors. This is done in respect with the journal guidelines about data storage.</p>
Figs 28-31 in The scolopendromorph centipedes (Chilopoda, Scolopendromorpha) of Tunisia: taxonomy, distribution and habitats
Figs 28-31. Cryptops punicus: 28 – tergite 1; 29 – coxosternum; 30 – labral tooth; 31 – tibia and tarsus of ultimate leg. Arrows on figures 26 and 28 indicate the tergal sutures.
Figs 26-27 in The scolopendromorph centipedes (Chilopoda, Scolopendromorpha) of Tunisia: taxonomy, distribution and habitats
Figs 26-27. Cryptops trisulcatus: 26 – posterior part of head plate and tergite 1; 27 – coxosternum.
Figs 14-17 in The scolopendromorph centipedes (Chilopoda, Scolopendromorpha) of Tunisia: taxonomy, distribution and habitats
Figs 14-17. Cormocephalus gervaisianus: 14 – head plate; 15 – forcipular coxosternum and forcipules; 16 – terminal tergite and prefemur of ultimate leg, dorsal view; 17 – prefemur of ultimate leg, ventral view.
Figs 1-7 in The scolopendromorph centipedes (Chilopoda, Scolopendromorpha) of Tunisia: taxonomy, distribution and habitats
Figs 1-7. Scolopendra canidens: 1 – head plate; 2 – forcipular coxosternum and forcipules; 3 – leg 1; 4 – spiracle; 5 – coxopleural process, lateral view; 6-7 – prefemur of ultimate leg, dorsal and ventral views, respectively.
Figure 2. Summer core area delineation. The straight line with a in Demographic characteristics, seasonal range and habitat topography of Balkan chamois population in its southernmost limit of its distribution (Giona mountain, Greece)
Figure 2. Summer core area delineation. The straight line with a slope of –1 represents the random use of space within the population seasonal range. The curve that sags below the line of random use represents the clumped use of space. The summer core area can be defined at the point whose tangent has slope –1, e.g. 85%, that is, whose tangent is parallel to the line of random use. This is also the point of the curve that is furthest from the line of random use.
Fig. 2 in Carabid beetle (Coleoptera: Carabidae) distribution in a rural landscape based on habitat diversity and habitat characteristics
Fig. 2. Cluster analysis of the results (individual years separated) based on Euclidian distance as distance measure and agglomeration according to Ward. Numbers indicate the percentage of replicates where each node is still supported (Hammer 2012)
Fig. 3 in Carabid beetle (Coleoptera: Carabidae) distribution in a rural landscape based on habitat diversity and habitat characteristics
Fig. 3. Ordination plot based on correspondence analysis (CA) of the results (individual years separated) for study sites (open circles) and species (open triangles)
Fig. 5 in Carabid beetle (Coleoptera: Carabidae) distribution in a rural landscape based on habitat diversity and habitat characteristics
Fig. 5. Ordination plot based on correspondence analysis (CA) of the results (years for the study sites pooled) for study sites (open circles) and species (open triangles)
Fig. 1 in Carabid beetle (Coleoptera: Carabidae) distribution in a rural landscape based on habitat diversity and habitat characteristics
Fig. 1. Scheme of the research object "Krzywda" (a) and location of the study sites (1-6) (b) (After Bùaszkiewicz & Schwerk (2013), modified).
Fig. 4 in Carabid beetle (Coleoptera: Carabidae) distribution in a rural landscape based on habitat diversity and habitat characteristics
Fig. 4. Cluster analysis of the results (years for the study sites pooled) based on Euclidian distance as distance measure and agglomeration according to Ward. Numbers indicate the percentage of replicates where each node is still supported (Hammer 2012)
Fig.5 in Distribution Of Five Interesting Woodland Key Habitat Bryophyte Indicator Species In Latvia
Fig.5. Jamesoniella autumnalis distribution in Geobotanical regions of Latvia in 5x5 km square network. (Latvian State Forest Service data (circle), personal database of Anna Mežaka (triangle), personal data base of Sanita Putna (square)). Geobotanical regions (Ramans 1994): A-Piejūra, B-Kursa, C-Ventas land, D - Austrumkursa, E-Rietumzemgale, F-Austrumzemgale, G-Dienvidvidzeme, H-Ziemeļvidzeme, I-Gaujas land, J- upland Vidzeme, K-Austrumvidzeme, L-Aiviekstes land, M-Augšzeme, N- upland Latgale, O-Austrumlatgale.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.