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240 results for “Autumn”
Autumnal Litter Input in DIRT Litter Manipulation Experiment at Harvard Forest 2008
Climate change will alter forest ecosystem productivity, changing the quantity and quality of detrital inputs to soil and altering rates of soil organic matter (SOM) accumulation and stabilization. To examine changes in forest soil SOM pools, we have used the Detritus Input and Removal Treatments (DIRT) Project to alter organic matter input rates and sources (roots, leaves) to soils, allowing us to measure contributions of organic matter sources to long-term SOM storage at five temperate forests (Harvard Forest, HJ Andrews, Bousson (PA) Experimental Forest (BEF), U. Michigan Biological Station (UMBS), Síkfokut ILTER, Hungary). Organic matter inputs are altered by excluding or adding leaf inputs, or by excluding roots from forested plots. Soil respiration partitioning at HF, BEF, and UMBS shows that soil fertility controls the allocation of C to above- and belowground tissue. At UMBS, glacial outwash sandy soils are extremely low in N, and C released from root respiration plus root litter decomposition is 87% of total soil respiration. Conversely, at the N-rich BEF site, total belowground sources of CO2 are only 61% of soil respiration, with 47% attributed to root litter. These data suggest that at BEF, leaf litter, comprising only 39% of soil respiration, would be a more important source of long-term SOM than root litter. However, soil chemistry and radiocarbon data have shown us that long-term soil C storage is complex. The year 2010 represents the 20-year anniversary of the initiation of DIRT treatments at the Harvard Forest (2010), and we are therefore planning to conduct systematic sampling campaigns for a comprehensive study of changes in SOM quality after long-term manipulation of inputs. One objective is to quantify how 20 years of litter input alterations have affected SOM quantity and quality at the surface (0-20 cm) and deeper in the soil profile (20-100 cm). To uderstand these changes, we need to quantify the quantity and quality of aboveground litter inp
Data from Herbarium Specimens Reveal Delays in Autumn Maple Coloration in the Northeastern United States Over the Past 150 Years
Data from "Herbarium Specimens Reveal Delays in Autumn Maple Coloration in the Northeastern United States Over the Past 150 Years". Herbarium specimens annotated for damage and phenological status paired with climate and locality information to investigate long-term trends in species-interactions and autumn phenology.
Code and data to "Climate change contribution to the 2023 autumn temperature records in Vienna"
<p>The dataset consists of the code and data used for the preprint "Climate change contribution to the 2023 autumn temperature records in Vienna". </p> <p>It contains two objects:</p> <ul> <li>The station data of mean monthly temperature for Vienna Hohe-Warte from 1750 to 2023 (vienna_hohe-warte.csv), which also can be downloaded here: http://www.zamg.ac.at/histalp/dataset/station/csv.php. </li> <li>The code for modeling and producing the figures of the preprint (autumn_temperature.R).</li> </ul>
Data on the sex and age composition of Bramblings Fringilla montifringilla during autumn migration and winter in Europe
<p><strong>Abstract</strong></p> <p>Bramblings <em>Fringilla montifringilla</em> are known to vary in winter distribution according to sex and age (differential migration). This pattern is complicated by the large yearly fluctuation in their preferred winter food, beech seeds. In beechmast areas, large concentrations of Bramblings occur, and their sex and age composition differs from that of winters without a beechmast. Here we present data on the sex and age composition of Bramblings during autumn migration and winters with and without beechmast, mainly from Switzerland, supplemented with data from northern and southern Europe.</p> <p> </p> <p><strong>Literature cited in the Excel-file</strong></p> <p>Arizaga J, Zuberogoitia I, Zabala J, Crespo A, Iraeta A, Belamendia G (2012) Seasonal patterns of age and sex ratios, morphology and body mass of Bramblings <em>Fringilla montifringilla </em>at a large winter roost in southern Europe. Ring. Migr. 27:1–6. https://doi.org/10.1080/03078698.2012.686707</p> <p>Browne SJ, Mead CJ (2003) Age and sex composition, biometrics, site fidelity and origin of Brambling <em>Fringilla montifringilla </em>wintering in Norfolk, England. Ring. Migr. 21:145–153. https://doi.org/10.1080/03078698.2003.9674283</p> <p>Khil L, Samwald O, Tiefenbach A, Tiefenbach M, Pacher H (2011) Der Massenschlafplatz von Bergfinken <em>Fringilla montifringilla </em>in Österreich im Winter 2008/2009. Limicola 25:81–100</p> <p>Kjellén N, Lindström Å (1993) Bergfinkens övervintringsstrategier samt några iakttagelser från en skånsk sovplats i januari-februari 1993. Anser 32:187–199</p> <p>Robson D (1996) Influencia de la temperatura en la masa corporal del Pinzon Real. Ardeola 43:139–144</p> <p>Schierer A (1957) Geschlechts- und Altersverhältnis der Nordfinken. Vögel Heimat 27:68</p> <p>Widemo U (1977) Bergfink <em>Fringilla montifringilla </em>Jan. - Apr. 1977. Sex and age distribution, winglength and change of weight. Fåglar i Sörmland 10:76–81</p>
Autumn departure from breeding site (date and time) in Gambel's white crowned sparrows near Toolik Field Station, Alaska, summers 2014-2016
This data set contains information about an automated radio-telemetry study conducted near Toolik Field Station examining the date that adult male and female Gambel's white-crowned sparrows (Zonotrichia leucophrys gambelli) depart the breeding site relative to the timing of breeding and sunrise/ sunset. It was funded, in part, through ARC 0909133 (to John Wingfield) and ARC 1147289 (to Marilyn Ramenofsky). It is associated with publication: https://doi.org/10.1007/s10336-020-01754-z.
Fig. 2 in Autumn habitat selection of the harvest mouse (Micromys minutus Pallas, 1771) in a rural and fragmented landscape
Fig. 2. Map representing the study area and the different habitat types present in it. The Caricteum acutiformis patch in the North is the main tall sedge meadow, where most of the study was conducted. The transects (red lines) shown on this map were the ones used for trapping (i.e., for the Capture, Mark and Release event).
Fig. 7 in Autumn habitat selection of the harvest mouse (Micromys minutus Pallas, 1771) in a rural and fragmented landscape
Fig. 7. Relocations of the four male individuals M1, M2, M3 and M4. M1 was tracked from the 19th to the 21th of September 2017. M2 was tracked from the 06th to the 10th of October 2017. M3 was tracked from the 15th to the 19th of October 2017. M4 was tracked from the 15th to the 17th of October 2017.
Figure 4 in Inter-oceanic comparison of planktonic copepod ecology (vertical distribution, abundance, community structure, population structure and body size) between the Okhotsk Sea and Oyashio region in autumn
Figure 4. Copepod species composition (centre) and copepodid stage structures of the dominant species (left: Oyashio region, right: Okhotsk Sea). All data are integrated means of a 0– 500 m water column based on the IONESS samples in the Oyashio region (St. 19) and Okhotsk Sea (St. OK24) from October to November 1996. Error bars for the copepodid stage indicate standard deviations of each daily duplicate.
Figure 3 in Inter-oceanic comparison of planktonic copepod ecology (vertical distribution, abundance, community structure, population structure and body size) between the Okhotsk Sea and Oyashio region in autumn
Figure 3. Vertical distribution of zooplankton biovolume in the Oyashio region (upper panels) and Okhotsk Sea (lower panels) from September to December in 1996–1998. Note that the biovolume axes are not the same between panels. Tc: thermocline.
Figs 3–4. Noctuids from Kunashir Island, dorsal view. 3 in Autumn moths and butterflies (Lepidoptera) new for the fauna of Kunashir Island
Figs 3–4. Noctuids from Kunashir Island, dorsal view. 3 – Blenina senex (Butler, 1878), ♀; 4 – Euplexidia angusta Yoshimoto, 1987, ♀.
Plankton community composition and productivity near the Subantarctic Prince Edward Islands archipelago in autumn
<p>This data set, shows hydrographic (CTD) and biogeochemical (Chl-a, nitrate+nitrite, nitrite, ammonium and silicic acid concentrations) parameters, nitrate uptake rates and net primary production, egg production rates (<em>Calanus simillimus)</em>, Pheophytin-a concentrations in zooplankton guts, and phytoplankton and zooplankton abundances and biomass from the Prince Edward Islands archipelago in the Indian Sector of the Subantarctic Ocean, during April-May 2017.</p> <p> </p>
Photophysiological response of autumn phytoplankton in the Antarctic Sea-Ice Zone
<p>The datasets in this repository are part of the manuscript entitled "<strong>Photophysiological response of autumn phytoplankton in the Antarctic Sea-Ice Zone</strong>".</p>
Fig. 4 in Autumn Migration Of Birds Over Polonyna Borzhava (Ukrainian Carpathians)
Fig. 4. Distribution of the passage flow of most numerous species of birds (%) migrating over Polonyna Borzhava and their main migration directions.
Fig. 3 in Autumn Migration Of Birds Over Polonyna Borzhava (Ukrainian Carpathians)
Fig. 3. Dynamics of passage intensity in some common bird species across Polonyna Borzhava in autumn 2018.
Рис. 5. Passage height preferences (M, ± SD) of birds migrating over Polonyna Borzhava mountain ridge in autumn 2018. in Autumn Migration Of Birds Over Polonyna Borzhava (Ukrainian Carpathians)
Рис. 5. Passage height preferences (M, ± SD) of birds migrating over Polonyna Borzhava mountain ridge in autumn 2018.
Рис. 1. Птицы, погибшие от стоΛкновений с оконными стекΛами в г. Уссурийске осенью 2019 г. Фото Δ. А. БеΛяева Fig. 1. Birds that died as a result of window collisions in Ussuriysk in the autumn of 2019. Photo by D. A. Belyaev in Deaths Resulting From Bird Window Collisions In Ussuriysk (Primorsky Krai)
Рис. 1. Птицы, погибшие от стоΛкновений с оконными стекΛами в г. Уссурийске осенью 2019 г. Фото Δ. А. БеΛяева Fig. 1. Birds that died as a result of window collisions in Ussuriysk in the autumn of 2019. Photo by D. A. Belyaev
Fig. 4 in Change Of Timing Of Autumn Migration In Acrocephalus And Locustella Genus
Fig. 4. Change of average local temperatures of August 1981–2004 (equation: y = –176.2613 + 0.0993x, r = 0.4371, p = 0.0327)
Fig. 2. Connection between the 50 in Change Of Timing Of Autumn Migration In Acrocephalus And Locustella Genus
Fig. 2. Connection between the 50% percentiles of the autumn migration and the consecutive years (Sedge Warbler). (equations: juvenile: y = 36585.9026 + 0.6326x, r = 0.3068, p = 0.2156; adult: y =
Fig. 3 in Change Of Timing Of Autumn Migration In Acrocephalus And Locustella Genus
Fig. 3. Connection between the change of the 90% percentiles and the average August temperatures (Sedge Warbler) (equations: juvenile: y = 37810.7946 + 3.1145x, r = 0.6344, p = 0.0047; adult: y =
Fig. 1 in Spatial, Temporal And Individual Variability In The Autumn Diet Of European Hare (Lepus Europaeus) In Hungary
Fig. 1. Localities of the study areas. Study areas are shown as gray patches, the capital (Budapest) by striped gray area, Lake Balaton and Lake Tisza by black ones. Black lines are Hungarian rivers and
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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