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36 results for “Agro-ecosystem”
Dataset to manuscript: Tailor-made biochar systems: Interdisciplinary evaluations of ecosystem services and farmer livelihoods in tropical agro-ecosystems
<p>Raw data to the manuscript entitled "Tailor-made biochar systems: Interdisciplinary evaluations of ecosystem services and farmer livelihoods in tropical agro-ecosystems" by Severin-Luca Bellè, Jean Riotte, Norman Backhaus, Muddu Sekhar, Pascal Jouquet and Samuel Abiven. </p> <p>Data files include all raw data of farmer interviews (20211209_Biochar_India_rawdata_Bellè_Abiven_farmer_interviews) and all raw data from the soil incubation study (20211209_Biochar_India_rawdata_Bellè_Abiven_soil_incubation). </p> <p>File ending with var_names is the README file. </p>
Carbon fluxes data over Indian spring wheat agro-ecosystem
<p>The data consists of the following:</p> <ol> <li>Site-scale carbon flux data for an IARI experimental wheat site for the growing season 2013–2014 in New Delhi (28°40' N, 77°12' E).</li> <li>The simulation data in NetCDF format comprises carbon fluxes such as GPP, NPP, Ra, Rh, and NEE.</li> <li>Harvested wheat area of spring wheat across the Indian wheat-growing regions.</li> <li>Site-scale NEP (gC/m2/mon) measured at Meerut (29°05′33″N, 77°41′53″E; growing season 2009-2010) and Saharanpur (29° 52′ 19.139″ N and 077° 34′ 01.621″ E; growing season 2014-15) extracted from published work (Patel et al., 2011; Patel et al., 2021, respectively)</li> </ol>
Construction, validation and application of nocturnal pollen transport networks in an agro-ecosystem: datasets collected using light microscopy and DNA metabarcoding
<p>This dataset contains all data required to reproduce the analyses conducted in Macgregor <em>et al. </em>(2018), using the R Notebook archived at doi: <a href="https://dx.doi.org/10.5281/zenodo.1322712">10.5281/zenodo.1322712</a>.</p> <p>Specifically, the dataset contains details of pollen transport detected on two matched samples, each containing 311 moths of 41 species, using two methods: a traditional light microscopy approach and a novel DNA metabarcoding approach. Both raw and manually-curated versions of each dataset are archived for full clarity. The dataset additionally contains all metadata required to fully interpret these data, including the RGB tables used to prepare Fig 4 in Macgregor <em>et al. </em>(2018).</p> <p>Macgregor <em>et al. </em>(2018) Construction, validation and application of nocturnal pollen transport networks in an agro-ecosystem: a comparison using light microscopy and DNA metabarcoding. <em>Ecological Entomology</em>, doi: <a href="https://dx.doi.org/10.1111/een.12674">10.1111/een.12674</a>.</p>
Figure 2 in Host-parasite relationships and life cycles of cuckoo wasps in agro-ecosystems in Argentina (Hymenoptera: Chrysididae: Chrysidini)
Figure 2. Emergence patterns of (a) Chrysis boutheryi (Brèthes) (squares; n = 20) and (b) C. saltana Bohart (triangles, n = 19) adults reared from trap-nests in Toay, La Pampa Province.
Figure 1 in Host-parasite relationships and life cycles of cuckoo wasps in agro-ecosystems in Argentina (Hymenoptera: Chrysididae: Chrysidini)
Figure 1. (a) Study sites: Toay (inverted triangle), Hortensia (square), Pila (triangle) and Colonia Elía (hexagon), situated in the Pampean region. The area encircled by thick line indicates the location of the Río de la Plata grasslands. Subdivisions are limited by dotted lines and identified by capital letters. A: Rolling Pampa; B: Inland Pampa; C: Southern Pampa; D: Flooding Pampa; E: Mesopotamic Pampa; F: Campos (modified from Medan et al.2011). (b–c) Trap-nests located in one tree and on fence posts.
Fig. 5 in Factors Affecting Avifaunal Diversity In Selected Agro-Ecosystems Of Himachal Pradesh Agricultural University, Palampur, Himachal Pradesh, India
Fig. 5. The heatmap transformed data shows the contributions of different feeding guilds of bird species for clustering of habitats. Blue colour represents negative contribution while red represents positive contribution.
Figure 2 in Diversity of Orthopteran insects and their role in Tea Agro-Ecosystem of West Bengal
Figure 2. Family-wise species composition (in percentage) of Orhtopteran insects in tea agro- ecosystem of West Bengal.
Data from: Spatial and seasonal determinants of arthropod community composition across an agro-ecosystem landscape
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Data from: Quality versus quantity: Response of riparian bird communities to aquatic insect emergence in agro-ecosystems
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Experimental evidence of multiple ecosystem services and disservices provided by ecological intensification in Mediterranean agro-ecosystems
<p>1. Intensifying agricultural production in sustainable ways is pivotal to increasing food production while reducing environmental impacts. Ecological intensification is based on managing organisms that provide services underlying crop production to simultaneously intensify agricultural production and increase biodiversity. However, few studies address the interactions and trade-offs between biodiversity, multiple ecosystem services and crop production.</p> <p>2. We experimentally quantified the effect of uncultivated field margins, a prominent practice of ecological intensification, on agricultural production, biodiversity, as well as on multiple ecosystem services and disservices, in an intensive Mediterranean agro-ecosystem. We used a split-plot design and sampled butterflies, rodent and arthropod pests, arthropod natural enemies (both parasitoids and predators), weeds, damage to crop and crop yield in different distances into the field in three tomato and eleven wheat crops along the growing season.</p> <p>3. Field margins increased natural enemy densities, reduced pest-damage to crop and consequently increased yield in tomato crops. Notably, we found that pest control by one predator species was dominant in the field centre, while parasitoid natural enemies were confined to the field edges. Pest control was more prominent in the late crop-stage compared to early season sampling and field margins increased weed control in tomato crops by reducing weed cover.</p> <p>4. Field margins increased natural enemy densities in wheat at the beginning of the season, but effects on arthropod pests were inconsistent. Field margins slightly increased weed cover, but had no impact on rodent densities and total yield.</p> <p>5. Butterfly abundance, but not richness, was positively affected by vegetated field margins.</p> <p>6. <em>Synthesis and applications</em>: Our results highlight the importance of a mechanistic and holistic approach to promoting ecological intensification. Although field margins provided pest and weed control in the highly intensive tomato crop, they increased weed cover in wheat, which could potentially restrict yields at the field scale. Farmers' guidelines should therefore consider the interactive effects of multiple services on a variety of crops. Moreover, biodiversity components that do not provide crop production services should be independently targeted (e.g. by sowing plants that provide food resources).</p>
The combined effects of resource landscapes and herbivory on pollination services in agro-ecosystems
<p>We apply a resource landscape approach to map the spatial distribution of floral resources across landscapes using neighbourhood modelling and empirical data on floral availability at specific land-use types. In each of 25 Mediterranean landscapes, spanning a gradient of natural-agricultural land use intensity, we established a pair of arrays of potted phytometer plants (White Wall-rocket, <em>Diplotaxis erucoides</em>)<em> </em>that were either aphid-infested or aphid-free. In each array, we recorded the activity of insect flower visitors and subsequent seed-set. At the same time, we also recorded the relative flower abundance in dominant land uses at 1 km radii around each array.</p>
Figure 1 in Diversity of Orthopteran insects and their role in Tea Agro-Ecosystem of West Bengal
Figure 1. District-wise sampling sites (tea gardens) in West Bengal.
Data from: Insect-microbe-fungus interplay in citrus agro-ecosystems: Cuticular symbionts mediate <em>Diaphorina citri</em> resistance to <em>Beauveria bassiana</em>
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Data from: Predicting functional responses in agro-ecosystems from animal movement data to improve management of invasive pests
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The combined effects of resource landscapes and herbivory on pollination services in agro-ecosystems
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Experimental evidence of multiple ecosystem services and disservices provided by ecological intensification in Mediterranean agro-ecosystems
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Data from: Evaluating community effects of a keystone ant, Azteca sericeasur, on Inga micheliana leaf litter decomposition in a shaded coffee agro-ecosystem
<p class="MsoNoSpacing"> Our research examined the effect of <i>Azteca sericeasur, </i>a keystone arboreal ant,<i> </i>on the decomposition of leaf litter of the shade tree, <i>Inga micheliana, </i>in coffee agro-ecosystems<i>. </i>This interaction is important in understanding the spatial heterogeneity in decomposition. We hypothesized that <i>A. sericeasur </i>could affect leaf litter decomposition by excluding other ants, which could release decomposers, like collembolans, from predation pressure. Determining the relative strengths of these interactions can illuminate the importance of <i>A. sericeasur </i>in decomposition and nutrient cycling processes.</p> <p class="MsoNoSpacing">We assessed the ant and arthropod communities surrounding 10 pairs of trees, where each pair included one shade tree with an established <i>A. sericeasur </i>nest. Tuna baits were used in conjunction with pitfall traps to assess the ant and arthropod community, and litterbags with <i>I. micheliana </i>leaf litter were used to assess decomposition. The species richness of ants did not change in proximity to <i>A. sericeasur </i>nests, though the ant communities were distinct. Abundance of collembola and community composition of other invertebrates did not change with the presence of an <i>A. sericeasur </i>nest and there were no differences in leaf litter decomposition rates. This contradicts past studies that suggests <i>A. sericeasur </i>reduces species richness in its territory. We suggest that other ants may avoid <i>A. sericeasur </i>by moving within and beneath the leaf litter. Our results indicate there is no net effect of <i>A. sericeasur </i>on leaf litter decomposition.</p>
FIGURE 3 in Polyphasic characterization of Nostoc commune (Cyanobacteria, Nostocaceae) isolated from rice growing agro-ecosystems of Dima Hasao district of Assam, North-East India
FIGURE 3. Phylogenetic analysis based on partial 16S rRNA gene sequences. Marked strains are the N. commune strains isolated from the selected agro-ecosystems(flat and terraced paddy fields).
FIGURE 2. Growth curve obtained for the strains. A in Polyphasic characterization of Nostoc commune (Cyanobacteria, Nostocaceae) isolated from rice growing agro-ecosystems of Dima Hasao district of Assam, North-East India
FIGURE 2. Growth curve obtained for the strains. A. Nostoc commune AUS-JR/DB/NT-003. B. Nostoc commune AUS-JR/DB/NT- 004.
FIGURE 1. Morphological variation within the N. commune strains. A, B in Polyphasic characterization of Nostoc commune (Cyanobacteria, Nostocaceae) isolated from rice growing agro-ecosystems of Dima Hasao district of Assam, North-East India
FIGURE 1. Morphological variation within the N. commune strains. A, B. Plate view and liquid culture of N. commune AUS-JR/DB/ NT-003. C, D. Plate view and liquid culture of N. commune AUS-JR/DB/NT-004. E. A single colony of N. commune AUS-JR/DB/NT- 003. F. A single colony of N. commune AUS-JR/DB/NT-004. G. Disintegration of the sheath. H. Individual trichomes. I. Aseriate filaments (h: heterocyst). J. Seriate filaments. K. Ensheathed coccoid cells. L. Old colonies with reduced trichome. Bar length = 50µm.
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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.