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10 results for “patch area”
Data and script for "On the emergence of ecosystem decay: a critical assessment of patch area effects across spatial scales"
<p>Data and R script necessary to replicate the results of Riva et al. 2024 ("On the emergence of ecosystem decay: a critical assessment of patch area effects across spatial scales"; minor revisions, Biological Conservation).</p>
Kelp metapopulations: Semi-annual time series of giant kelp patch area, biomass and fecundity in southern California, 1996 - 2006
These data describe the patch-scale canopy biomass and population fecundity of giant kelp, Macrocystis pyrifera, in southern California, USA, from 1996¬ to 2007. Biomass of the surface canopy was estimated using diver-calibrated Landsat 5 Thematic Mapper and Landsat 7 Enhanced Thematic Mapper Plus satellite imagery. Fecundity was estimated from canopy biomass pixel data using a seasonally-adjusted relationship between the diver-measured density of giant kelp spore-bearing tissue and the Landsat estimate of canopy biomass density using data collected across five years at the San Clemente Artificial Reef, located offshore of San Clemente, California, USA. Landsat pixel-scale estimates of giant kelp biomass and fecundity were summed across space for each giant kelp patch and averaged across time separately with two semesters each year (January–June and July–December). The location and area of each giant kelp patch are also provided. These data were described in <ulink url="http://dx.doi.org/10.1890/15-0283.1">Castorani, M. C., D. C. Reed, F. Alberto, T. W. Bell, R. D. Simons, K. C. Cavanaugh, D. A. Siegel and P. T. Raimondi. Connectivity structures local populations dynamics: a long-term empirical test in a large metapopulation system. Ecology. DOI: 10.1890/15-0283.1</ulink> These data are part of the NSF collaborative project: The effect of inbreeding on metapopulation dynamics of the giant kelp, Macrocystis pyrifera (funded wholly or part by NSF Awards OCE-1233283, 1233288, 1233839).
Fig.ç3.D isasterina akajimaensis sp. nov., holotype (NSMT E-6758). A, Anal pore and a patch; B, madreporite; C, proximal part of arm, abactinal view; D, oral plate pair and interradial uncalci ed area, some oral spines have been lost (see also Fig. 6 for oral plate pair and interradial uncalci ed area at another interradius); E, proximal part of ambulacral furrow (oral plates seen at the lower-le corner are drawn in Fig. 6); F, inferomarginal spinelets, abactinal view. Abbreviations: als, actinolateral spine; apo, anal pore; fs, furrow spine; imp, inferomarginal plate; ims, inferomarginal spine; ir, interradial; iua, interradial uncalci ed area; md, madreporite; op, oral plate; os, oral spine; r, radial; rp, rigid patch; sas, subambulacral spine. in A New Asterinid Sea Star, Disasterina akajimaensis (Echinodermata: Asteroidea) from the Ryukyu Islands, Japan, with Notes on the Genus Disasterina
Fig.ç3.D isasterina akajimaensis sp. nov., holotype (NSMT E-6758). A, Anal pore and a patch; B, madreporite; C, proximal part of arm, abactinal view; D, oral plate pair and interradial uncalci ed area, some oral spines have been lost (see also Fig. 6 for oral plate pair and interradial uncalci ed area at another interradius); E, proximal part of ambulacral furrow (oral plates seen at the lower-le corner are drawn in Fig. 6); F, inferomarginal spinelets, abactinal view. Abbreviations: als, actinolateral spine; apo, anal pore; fs, furrow spine; imp, inferomarginal plate; ims, inferomarginal spine; ir, interradial; iua, interradial uncalci ed area; md, madreporite; op, oral plate; os, oral spine; r, radial; rp, rigid patch; sas, subambulacral spine.
An investigation into grazing impacts by New Forest herbivores on inclosure and open woodland patch areas
<p>Data set + R-code for: An investigation into grazing impacts by New Forest herbivores on inclosure and open woodland patch areas</p>
Forest patch size predicts seed bank composition in urban areas
<p><b>Questions:</b></p> <p>As urban areas expand around the world, understanding how to restore and maintain forests within the urban environment becomes increasingly important. Given that a comprehensive understanding of regeneration dynamics is critical to designating appropriate management interventions we ask the following: how does regeneration, vis-à-vis the buried seed bank, vary in heterogenous urban forests? And, can forest patch size be used to predict regeneration and consequent management interventions?</p> <p><b>Location:</b></p> <p>Vacant lots and public parks throughout New Haven, CT, USA.</p> <p><b>Methods:</b></p> <p>We sampled buried seed banks in 131 plots distributed across three forest patch sizes ranging from large intact parks (95-126 ha), to small parks (1-19 ha), and vacant lots (.05-.65 ha). We collected soil samples from the surface mineral soil and stratified them over sand in a greenhouse over a period of 5 months to record germination.</p> <p><b>Results:</b></p> <p>By examining seed bank floristics in a range of forest patch sizes we found that species composition and dominance of specific functional groups shifted with patch size representing a spectrum of urbanization within just one city. Seed bank floristics in large parks more closely resembled results from seed bank studies in rural forests with over 85% native germinants on average. In contrast, vacant lots were dominated by non-native germinants and more ruderal species indicative of earlier successional stages. Seed banks in small parks were variable and in some cases were more similar to large parks or vacant lots.</p> <p><b>Conclusions:</b></p> <p>Our findings suggest that large parks in urban areas may be largely self-sustaining whereas smaller parks may require more intensive management for site rehabilitation, especially in early states of succession. Furthermore, our results confirm the highly heterogeneous nature of urban forest patches and call for more systematic sampling of urban areas to capture this variation and improve management prescriptions and outcomes.</p>
Distribution. CE Madagascar,in a forest patch of 228 km? at Andasivodihazo at about 1660 m above sea level and Ankadivory at about 1470 m above sea level; it may be restricted by the Onive and Mangoro rivers, Anjozorobe, and the corridor to the W half of the Tsinjoarivo forest above 1400 m, in an area ofless than 2000 km?, in Cheirogaleidae
Distribution. CE Madagascar,in a forest patch of 228 km? at Andasivodihazo at about 1660 m above sea level and Ankadivory at about 1470 m above sea level; it may be restricted by the Onive and Mangoro rivers, Anjozorobe, and the corridor to the W half of the Tsinjoarivo forest above 1400 m, in an area ofless than 2000 km?,
Distribution. Endemic to Tanzania, known only from six small remnant moist-forest patches in C coastal and extreme SE Tanzania (Litipo, Rondo, Ziwani, Pugu Hills/ Kazimzumbwi, and Zareninge), and the Pande Game Reserve; it is not known if it occurs in the intervening areas. in Galagidae
Distribution. Endemic to Tanzania, known only from six small remnant moist-forest patches in C coastal and extreme SE Tanzania (Litipo, Rondo, Ziwani, Pugu Hills/ Kazimzumbwi, and Zareninge), and the Pande Game Reserve; it is not known if it occurs in the intervening areas.
Forest patch size predicts seed bank composition in urban areas
Open the record for dataset details and reuse information.
Hierarchical spatial modeling of multiple soil nutrients and carbon in heterogeneous landuse patches of the central Arizona-Phoenix research area, from 1999 to 2006.
Open the record for dataset details and reuse information.
Comparison Between Bandage Contact Lens and Pressure Patching for The Erosion Area and Pain Scale in Corneal Erosion Patients
ClinicalTrials.gov study NCT01809483. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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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)
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.