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1,253 results for “pastures”
Figure 2 in Importance of riparian vegetation and wood-pastures in the maintenance of bat assemblages in a highly fragmented landscape in Veracruz, Mexico
Figure 2: Species accumulation curves for wood-pastures and riparian vegetation in the locality of Jamapa, Veracruz, Mexico. Hill's numbers (effective numbers of species) are in brackets. According to non-overlapping confidence intervals only q1 ("typical" species) and q2 (dominant species) were significantly higher in riparian vegetation compared to pastures.
Data from: Remnant Pachira quinata pasture trees have greater opportunities to self and suffer reduced reproductive success due to inbreeding depression
Habitat fragmentation is extensive throughout the world, converting natural ecosystems into fragments of varying size, density and connectivity. The potential value of remnant trees in agricultural landscapes as seed sources and in connecting fragments has formed a fertile area of debate. This study contrasted the mating patterns of bat-pollinated Pachira quinata trees in a continuous forest to those in pasture through microsatellite-based paternity analysis of progeny. The breeding system was determined by analysis of pollen tube growth and seed production from controlled pollinations. Fitness of selfed and outcrossed seed was compared by germination and seedling growth. There was more inbreeding within pasture trees (outcrossing=0.828±0.015) compared with forest trees (0.926±0.005). Pasture trees had fewer sires contributing to mating events, but pollen dispersal distances were greater than those in the forest. Paternity analysis showed variation in outcrossing rates among pasture trees with high proportions of external and self pollen sources detected. A leaky self-incompatibility system was found, with self pollen having reduced germination on stigmas and slower growth rate through the style. Controlled pollinations also showed a varied ability to self among trees, which was reflected in the selfing rates among pasture trees shown by the paternity analysis (0–80% selfing). Self pollination resulted in lower seed set, germination and seedling growth compared with outcrossing. While remnant trees in agricultural landscapes are involved in broader mating patterns, they show increased but varied levels of inbreeding, which result in reduced fitness.
Data from: An inventory of the foliar, soil, and dung arthropod communities in pastures of the Southeastern United States
<p>Grassland systems constitute a significant portion of the land area in the U.S. and as a result harbors significant arthropod biodiversity. During this time of biodiversity loss around the world, bioinventories of ecologically important habitats serve as important indicators for the effectiveness of conservation efforts. We conducted a bioinventory of the foliar, soil, and dung arthropod communities in 10 cattle pastures located in the southeastern U.S. during the 2018 grazing season. In sum, 126,251 arthropod specimens were collected. From the foliar community, 13 arthropod orders were observed, with the greatest species richness found in Hymenoptera, Diptera, and Hemiptera. The soil-dwelling arthropod community contained 18 orders. The three orders comprising the highest species richness were Coleoptera, Diptera, and Hymenoptera. Lastly, 12 arthropod orders were collected from cattle dung, with the greatest species richness found in Coleoptera, Diptera, and Hymenoptera. Herbivores were the most abundant functional guild found in the foliar community, and predators were most abundant in the soil and dung communities. Arthropod pests constituted a small portion of the pasture arthropod communities, with 1.01%, 0.34%, and 0.46% pests found in the foliar, soil, and dung communities, respectively. While bioinventories demand considerable time, energy, and resources to accomplish, the information from these inventories has many uses for conservation efforts, land management recommendations, and the direction of climate change science.</p>
Fig. 1 in The Role ofCanthon humectus hidalgoensis(Bates) (Coleoptera: Scarabaeidae) in Dung Removal from a Cattle Pasture
Fig. 1. Mean dung ball diameter, linear displacement, and rolling time by Canthon humectus hidalgoensis (a), and differences in size (b) and weight (c) of dung balls constructed by lone individuals and pairs. In (b), the graph depicts the mean ± SE; in (c), the median, first and third quartiles, and extreme values are indicated.
Fig. 1 in A Novel Method for Measuring Dung Removal by Tunneler Dung Beetles (Coleoptera: Scarabaeidae: Scarabaeinae) in Pastures
Fig. 1. Methodology for measuring dung removal by tunneller dung beetles. A) Bucket design, B) Bucket cut in half lengthwise. Galleries, beetles, and quantity of dung removed by the beetles are shown.
CONUS NG-IDF 2.0: Pasture
<p>The <strong>NG-IDF: Pasture</strong> datasets cover more than 200,000 sites at approximately 6 km resolution in the years 1951–2013 across the CONUS for the <strong>Pasture</strong> land use land cover (LULC).</p> <p>These [<strong>daily time series</strong> + <strong>annual maximum</strong>] datasets provide information on extreme hydrological events and their associated hydrometeorological drivers at a continental scale.</p> <p>They include 1) daily time series of precipitation (P), throughfall (TF), water available for runoff (W), and snow water equivalent (SWE); 2) annual maximum time series of P, W, TF, snowmelt, rain-on-snow (ROS); and 3) NG-IDF curves and their uncertainties.</p> <p>See the "Pasture_readmefirst.txt" file for details.</p>
Nitrogen translocation by Highland cattle grazing in Alnus viridis‑encroached pastures
<p>Dataset detailing the N excreted, N ingested and N fluxes in vegetation patches for the article "Nitrogen translocation by Highland cattle grazing in Alnus viridis‑encroached pastures"</p>
Effects of Milk Derived From Mountain-pasture Grazing Cows on Risk Markers of the Metabolic Syndrome Compared to Conventional Danish Milk
ClinicalTrials.gov study NCT01343589. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Impact of Pastured Livestock Food Consumption on Fatty Acid and Metabolomic Profiles
ClinicalTrials.gov study NCT06768775. IPD Sharing: YES. Countries: 1. Publications: 1.
How does the transformation of Cerrado vegetation into exotic pastures affect insect communities? A meta-analysis
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Pastures and climate extremes: Impacts of cool season warming and drought on the productivity of key pasture species in a field experiment
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Data from: Recovery of decomposition rates and decomposer invertebrates during rainforest restoration on disused pasture
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Data from: From pristine forests to high-altitude pastures: an ecological approach to prehistoric human impact on vegetation and landscapes in the western Italian Alps
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Data from: Remnant Pachira quinata pasture trees have greater opportunities to self and suffer reduced reproductive success due to inbreeding depression
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Degraded Pastures in Brasil: dataset used in econometric models
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Data from: Mob and rotational grazing influence pasture biomass, nutritive value, and species composition
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Predicting pasture and forest landowner intention to create early successional habitat
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Data from: Alternative mating tactics in the yellow dung fly: resolving mechanisms of small-male advantage off pasture
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Better left alone: Trying to control pasture grasses in untended rainforest plantings incurs multiple costs and delivers few benefits
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Data from: Artificial bat roosts did not accelerate forest regeneration in abandoned pastures in southern Costa Rica
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