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76 results for “Quercus forest”
Bent Creek Experimental Forest site, station Yellow Poplar plots at Bent Creek Experimental Forest, study of diameter at breast height of Quercus rubra (northern red oak) in units of centimeter on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Bent Creek Experimental Forest (BEN) contains diameter at breast height of Quercus rubra (northern red oak) measurements in centimeter units and were aggregated to a yearly timescale.
Bent Creek Experimental Forest site, station Yellow Poplar plots at Bent Creek Experimental Forest, study of diameter at breast height of Quercus velutina (black oak) in units of centimeter on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Bent Creek Experimental Forest (BEN) contains diameter at breast height of Quercus velutina (black oak) measurements in centimeter units and were aggregated to a yearly timescale.
Fernow Experimental Forest site, station Compartment 8, subcompartment A, commerical clearcut treatment in mixed hardwood forest, study of plant relative frequency of Quercus rubra (northern red oak) in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Fernow Experimental Forest (FER) contains plant relative frequency of Quercus rubra (northern red oak) measurements in percent units and were aggregated to a yearly timescale.
Fernow Experimental Forest site, station Compartment 8, subcompartment E, control reference stand (not harvested) in mixed hardwood forest, study of plant relative frequency of Quercus rubra (northern red oak) in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Fernow Experimental Forest (FER) contains plant relative frequency of Quercus rubra (northern red oak) measurements in percent units and were aggregated to a yearly timescale.
Fernow Experimental Forest site, station Compartment 8 subcompartment B, diameter limit harvest in mixed hardwood forest, study of plant relative frequency of Quercus rubra (northern red oak) in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Fernow Experimental Forest (FER) contains plant relative frequency of Quercus rubra (northern red oak) measurements in percent units and were aggregated to a yearly timescale.
Fernow Experimental Forest site, station Compartment 8, subcompartment C, single tree selection harvest in mixed hardwood forest, study of plant relative frequency of Quercus rubra (northern red oak) in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Fernow Experimental Forest (FER) contains plant relative frequency of Quercus rubra (northern red oak) measurements in percent units and were aggregated to a yearly timescale.
Harvard Forest site, station Harvard Forest's Lyford Blocks within the Prospect Hill Tract, study of diameter at breast height of Quercus alba (white oak) in units of centimeter on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Harvard Forest (HFR) contains diameter at breast height of Quercus alba (white oak) measurements in centimeter units and were aggregated to a yearly timescale.
Harvard Forest site, station Harvard Forest's Lyford Blocks within the Prospect Hill Tract, study of diameter at breast height of Quercus rubra (northern red oak) in units of centimeter on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Harvard Forest (HFR) contains diameter at breast height of Quercus rubra (northern red oak) measurements in centimeter units and were aggregated to a yearly timescale.
Harvard Forest site, station Harvard Forest's Lyford Blocks within the Prospect Hill Tract, study of diameter at breast height of Quercus velutina (black oak) in units of centimeter on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Harvard Forest (HFR) contains diameter at breast height of Quercus velutina (black oak) measurements in centimeter units and were aggregated to a yearly timescale.
Data from: Insect herbivory in novel Quercus ilex L. forests: the role of landscape attributes, forest composition and host traits
<p><b><i>Context</i></b> Understanding the intrinsic and extrinsic drivers of herbivory in novel expanding forests is essential to envisage their role for biodiversity conservation.</p> <p><b><i>Aims</i></b>: To analyze the effects of landscape attributes, forest composition, genetic relatedness, ontogeny and leaf traits on insect herbivory in novel <i>Q. ilex</i> forest stands.</p> <p><b><i>Methods: </i></b>In 15 forest patches, we examined effects of patch size and connectivity, forest composition, and tree height, specific leaf area (SLA) and nitrogen content on herbivory. In 3 forest patches, we assessed effects of tree genetic relatedness, ontogeny and spatial distribution.</p> <p><b><i>Results</i></b>: Herbivory was lower in pine-oak than in mixed-oak forests owing to the shorter tree height in the former with no effects of patch size or connectivity. Herbivory increased with SLA whereas nitrogen content had no effect. Within patches, herbivory differed among genetic clusters and was reduced in saplings growing near mature oaks and individuals near the forest edge. </p> <p><b><i>Conclusion </i></b>We illustrate the strong context and scale dependence of tree-herbivore interactions that renders predictions for dynamic systems such as novel oak forests extremely challenging. It implies, however, that the structural heterogeneity of such unmanaged forests allows their function as stepping stones for insect herbivore diversity in fragmented landscapes.</p>
FIGURE. Spring view of the open forests of Quercus faginea subsp. alpestris in a matrix of oromediterranean cushion endemic scrublands dominated by Astragalus nevadensis subsp. andres-molinae and Bupleurum spinosum. (Photo authors). in Vascular flora of the Sierra de las Nieves National Park and its surroundings (Andalusia, Spain)
FIGURE. Spring view of the open forests of Quercus faginea subsp. alpestris in a matrix of oromediterranean cushion endemic scrublands dominated by Astragalus nevadensis subsp. andres-molinae and Bupleurum spinosum. (Photo authors).
FIGURE. Serpentine pine forests (Pinus pinaster) accompanied by Erica scoparia and Quercus coccifera, climax vegetation in the Bermejense sector. (Photo authors). in Vascular flora of the Sierra de las Nieves National Park and its surroundings (Andalusia, Spain)
FIGURE. Serpentine pine forests (Pinus pinaster) accompanied by Erica scoparia and Quercus coccifera, climax vegetation in the Bermejense sector. (Photo authors).
FIGURE 4 in Russula quercina, a new species of Russula subsect. Integroidinae (Russulaceae, Russulales) from the Quercus mongolica forest in Heilongjiang Province, China
FIGURE 4. Basidiospores of the new species (SEM photo). Russula quercina (holotype, HMJAU49121). Bars = 10 μm.
FIGURE 2 in Russula quercina, a new species of Russula subsect. Integroidinae (Russulaceae, Russulales) from the Quercus mongolica forest in Heilongjiang Province, China
FIGURE 2. Basidiomata of R. quercina. A, B (holotype, HMJAU49121); C and D (HMJAU49123); E, F (HMJAU49122); G, H (HMJAU49124). Scale bars: 1 cm (A–H).
FIGURE 3 in Russula quercina, a new species of Russula subsect. Integroidinae (Russulaceae, Russulales) from the Quercus mongolica forest in Heilongjiang Province, China
FIGURE 3. Russula quercina (holotype, HMJAU49121), a. basidiospores; b, basidia; c, basidiolae; d, pleurocystidia; e, caulocystidia; f, cheilocystidia; g, pileocystidia near the pileus centre; h, pileocystidia near the pileus margin; I, hyphal terminations near the pileus centre; j, hyphal terminations near the pileus margin. Scale bars: a = 2 μm, b–j = 10 μm. Drawing by Ji-Jiang Zhou
FIGURE 1 in Russula quercina, a new species of Russula subsect. Integroidinae (Russulaceae, Russulales) from the Quercus mongolica forest in Heilongjiang Province, China
FIGURE 1. Maximum likelihood phylogeny inferred from ITS with three target species-level clade names in red. Samples are labelled by species name and GenBank accession numbers. ML bootstraps (BS) ≥ 75%, Bayesian posterior probabilities (PP) ≥ 0.95 were shown on the branch. PP followed by BS values are indicated by the above nodes.
FIGURE 4 in The Lichen Flora on Quercus in the Tamentout Forest of Algeria
FIGURE 4: Parmeliella testacea from the Tamentout Forest (Belguidoum, A. no. Cl92, ABHCH) A. Thallus overview (h: black hypothallus; arrow: button-shaped soralia). B. close-up of humid, bluish green thallus (arrow: button shaped soralia). C. close-up of wet, olive thallus. Scale bars: 5 mm.
FIGURE 1 in Rove beetles collected with carrion traps (Coleoptera: Staphylinidae) in Quercus forest of Cerro de García, Jalisco and Quercus, Quercus-pine, and pine forests in other jurisdictions of Mexico
FIGURE 1. Richness of rove beetles collected with carrion traps in Quercus, Quercus-pine and pine forests in Mexico.
FIGURE 5. Marcelonemobius mutum n in Orthoptera (Ensifera & Caelifera) collected using carrion traps in a Quercus forest in Jalisco, Mexico, with description of a new genus and a new species (Trigonidiidae: Nemobiinae)
FIGURE 5. Marcelonemobius mutum n. sp. (female). A. Habitus lateral and dorsal. B. Head, pronotum, mesonotum and metanotum in dorsal view. C–D. Terminalia in lateral and ventral view respectively.
FIGURE 3 in Orthoptera (Ensifera & Caelifera) collected using carrion traps in a Quercus forest in Jalisco, Mexico, with description of a new genus and a new species (Trigonidiidae: Nemobiinae)
FIGURE 3. Morphospecies collected in carrion tramps. A. Anargyrtes sp. B. Pristoceuthophilus sp. C. Stenopelmatus sp. 1. D. Stenopelmatus sp. 2. E. Anurogryllus forcipatus. F. Hoplosphyrum aztecum. G. Sphenarium borrei. H. Pedies sp. I. Philocleon nigrovittatus.
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