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3,249 results for “national parks”
Spatial and temporal niche overlap of aardwolves and aardvarks in Serengeti National Park, Tanzania
<p>Species interactions can influence species distributions, but mechanisms mitigating competition or facilitating positive interactions between ecologically similar species are often poorly understood. Aardwolves (<em>Proteles cristata</em>) and aardvarks (<em>Orycteropus afer</em>) are nocturnal, insectivorous mammals that co-occur in eastern and southern Africa, and knowledge of these species is largely limited to their nutritional biology. We used aardwolf and aardvark detections from 106 remote cameras during 2016–2018 to assess their spatial and temporal niche overlap in the grasslands of Serengeti National Park, Tanzania. Using a multispecies occupancy model, we identified a positive interaction between occupancy probabilities for aardwolves and aardvarks. Slope, proportion of grassland, and termite mound density did not affect occupancy probabilities of either species. Probability of aardwolf, but not aardvark, occupancy increased with distance to permanent water sources, which may relate to predation risk avoidance. Diel activity overlap between aardwolves and aardvarks was high during wet and dry seasons, with both species being largely nocturnal. Aardwolves and aardvarks have an important ecological role as termite consumers, and aardvarks are suggested to be ecosystem engineers. Our results contribute to a better understanding of the spatial and temporal niche of insectivores like aardwolves and aardvarks, suggesting high spatial and temporal niche overlap in which commensalism occur, whereby aardwolves benefit from aardvark presence through increased food accessibility.</p>
Carbon, water and energy fluxes at the subtropical forest in Kaziranga National Park in India
<p>This dataset contains measured and modeled records of gross primary productivity (GPP), sensible heat flux and latent heat flux from 2016 to 2018 at the Kaziranga National Park, India. The measured fluxes are obtained from eddy covariance technique at the flux tower established by the Indian Institute of Tropical Meteorology (IITM) Pune as part of the MetFlux India network funded by the Ministry of Earth Sciences (MoES), the Government of India, whereas the Integrated Science Assessment Model (ISAM) at the Department of Atmospheric Sciences, University of Illinois at Urbana-Champaign, Illinois, USA is used to simulate these fluxes. Additionally, the leaf area index (LAI) and meteorological measurements used as the model input are also included in this dataset. </p>
Checklist of the lichens of the Cabañeros National Park and the surrounding territory
<p>The dataset contains 602 species (4606 records) collected/observed during several field studies carried out since the year 2001. A total of 120 localities were sampled, covering a wide range of substrates, altitudes, orientations, land uses and different types of Mediterranean forests and shrublands. We have identified 303 epiphytic species (<i>Arbutus unedo</i>, <i>Cistus ladanifer</i>, <i>Fraxinus angustifolia</i>, <i>Juniperus oxycedrus</i>, <i>Quercus ilex</i>, <i>Q. faginea</i>, <i>Q. pyrenaica</i>, <i>Q. suber</i>, ...), 102 terricolous species (forest slopes and bare soils) and 324 saxicolous species (quartzites, slates, granites, and limestone rocks). Only 4% of the species grew on three types of substrates (rock-soil-bark), 12% of the species grew on two types of substrates (soil-bark or soil-rock), while the rest of the species were substrate specific. This high diversity (more than a fifth of the total lichen species of the Iberian Peninsula) is linked to an enormous variety of substrates and environmental conditions, further favored by the presence of several unmanaged and well-preserved forests. Areas with higher lichen diversity were: Chorro Valley, Boquerón del Estena and the surrounding territory, and Gargantilla land. The checklist is annotated with information on the species, province, municipality, locality, geographic position, altitude, habitat, collector name, date, and associated reference. When the same geographical information of a specific specimen is referenced in several scientific papers (e.g., taxonomic, floristic, phylogenetic, ecology papers), we have chosen to add just one reference (generally the oldest).</p>
Final report on the diversity of the Mountain Zebra National Park, South Africa (Arachnida: Araneae)
<p>Two checklists have previously been published from the Mountain Zebra National Park. In 1988, only 32 species were recognised and in 2006, 43 species. In this final report, we list 150 species from 38 families, increasing the number of species recog-nised with 107 species. For the first time, we provide information on the endemicity and conservation status of the 150 species. The family Gnaphosidae was the most diverse with 17 species sampled, followed by the Salticidae with 15 species, and Thomisidae with 14. Ten of the families are known only from a single species. This is an inventory project of the South African National Survey of Arachnida (SANSA).</p>
APPENDIX 4 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
APPENDIX 4. — Relative abundance of species as a function of DIC values.
APPENDIX 2 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
APPENDIX 2. — Relative abundance of species as a function of DOC concentrations.
APPENDIX 5 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
APPENDIX 5. — Relative abundance of species as a function of Mg values.
APPENDIX 3 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
APPENDIX 3. — Relative abundance of species as a function of pH values.
APPENDIX 1 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
APPENDIX 1. — Relative abundance of species as a function of alkalinity values.
Fig. 16 in Darwin wasps (Hymenoptera, Ichneumonidae) of the Kintrishi National Park, Sakartvelo (Georgia), with descriptions of six new species
Fig. 16: Mesochorus (Mesochorus) albidus RIEDEL nov.sp. HT, habitus.
Inside Long House, Mesa Verde National Park
Long House was made by a pre-Pueblo culture "Long House was built c. 1200; it was occupied until 1280. The cliff dwelling features 150 rooms, a kiva, a tower, and a central plaza.[157] Its rooms are not clustered like typical cliff dwellings. Two overhead ledges contain storage space for grain. One ledge seems to include an overlook with small holes in the wall to see the rest of the village below. A spring is accessible within several hundred feet, and seeps are located in the rear of the village." https://en.wikipedia.org/wiki/Mesa_Verde_National_Park#Long_House https://www.nps.gov/meve/learn/historyculture/cd_long_house.htm Created in RealityCapture from 1350 images in 18h:25m:32s. Source: Objaverse 1.0 / Sketchfab
Soil profile pits, carbon and vegetation data of an old Anogeissus grove in Mole National Park, Ghana
<p>Formation of forest islands in West Africa has been linked to anthropogenic soil improvement resulting in luxuriant tree growth in otherwise open savanna landscapes. However, there is limited understanding of how such unique ecosystems modulate soil carbon (C) dynamics and nutrient cycling. In this study, we report soil nutrient characteristics and two distinct soil organic carbon pools of Anogeissus grove (forest island) associated with abandoned village sites of the Mole National Park in the Guinea savanna or tropical continental climatic zone of Ghana, taking opportunity of a previously published study in Biotropica in 1978. We compared present-day differences in soil characteristics between the previously studied forest grove and adjoining open savanna in the Park and evaluated vegetation dynamics since first measurement in 1974. Overall, we see changes related to self-thinning and expansion of the grove on a decadal timescale. Soil organic matter and available phosphorus contents were greater in the grove and increased by 19.6 and 18.7%, respectively over time, showing persistence after four decades. Mineral associated organic carbon (MAOC) differed significantly (p<0.05) between the vegetation types, being 3.44% in the grove and 2.34% in the savanna. The grove was ca. 25% greater in particulate organic carbon (POC) content than the savanna. In both vegetation types, >55% of carbon was stabilized in the mineral fraction. Our study demonstrates long-term human impacts on soil and vegetation and offers a clear nature-based solution for climate change mitigation through sustainable land management by indigenous people towards achievement of the '4p1000' initiative.</p>
Lemur population density in Sahamalaza-Iles Radama National Park, Madagascar
<p>The clearing and fragmentation of tropical forest is the single biggest threat to primate populations who depend on this habitat for survival. In contrast to primates that live in continuous, undisturbed forests, primate communities of fragmented forests need to adapt to decreased food availability and increased inter- and intraspecific competition typical of these degraded and anthropogenically disturbed habitats. Some primate species are highly sensitive to habitat fragmentation, whilst other species can adapt and even thrive in fragmented and degraded forests. Here, we assessed how forest fragmentation and associated edge-effects impact the population density of four species of nocturnal lemur in the Sahamalaza-Iles Radama National Park, North West Madagascar. We conducted 118 transect walks over a three-year period covering a total distance of 107 km to collect encounter rate (<em>N</em>/km) and population density (<em>N</em>/Ha) data for each species, which we then compared between the edge and core areas of a continuous forest and a fragmented forest. Our results were highly species-specific, with the population densities of two species (<em>Lepilemur sahamalaza</em> and <em>Microcebus sambiranensis</em>) increasing in edge and fragmented habitat, whilst we observed the opposite for <em>Cheirogaleus medius</em>. <em>Mirza zaza</em> density appeared consistent between the continuous and fragmented forest and in both edge and core areas. We also found evidence of species-specific population density relationships with fragment size, core area, and fragment shape; however, further work is needed to support these findings. This study demonstrates that some nocturnal lemurs can adapt to degraded habitats and thrive within fragmented forests, whilst other species are less capable of doing so.</p>
Woodland expansion and upland management strategy dilemmas for biodiversity and carbon storage in the Cairngorms National Park
<p>datatsets and R scripts related to the analysis done in the research project "<span>impact of woodlands restoration and restriction of fire use in the Cairngorms National Park". <br></span></p>
Figure2 in The Ecological Significance on Primate Activity in Kimbi-Fungom National Park, Northwest Region, Cameroon
Figure2. Weather condition and Animal activity
Figure7 in The Ecological Significance on Primate Activity in Kimbi-Fungom National Park, Northwest Region, Cameroon
Figure7. The landscape and animal activity
Figure1 in The Ecological Significance on Primate Activity in Kimbi-Fungom National Park, Northwest Region, Cameroon
Figure1. Kimbi Fungom National Park (KFNP) map
Figure6 in The Ecological Significance on Primate Activity in Kimbi-Fungom National Park, Northwest Region, Cameroon
Figure6. The primate activity and the forest vegetation type
Figure5 in The Ecological Significance on Primate Activity in Kimbi-Fungom National Park, Northwest Region, Cameroon
Figure5. The animal activity and the day-period
Figure4 in The Ecological Significance on Primate Activity in Kimbi-Fungom National Park, Northwest Region, Cameroon
Figure4. The vegetation type and seasonality
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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.