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274 results for “forest reserve”

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edi56/100

Forest Inventory for Tree Demography and Carbohydrate Reserves at Harvard Forest 2009-2011

The objective of this study is to establish a network of forest plots spanning the eastern U.S. focused on understanding how regional scale climate patterns affect patterns of tree demography (e.g. growth, mortality, dieback). Within each research site we also aim to understand the landscape-scale variability in demographic rates and how these rates are affected by edaphic variables by aligning plots along primary environmental gradients (elevation, soils, hydrology, fire return interval). The demographic data obtained will also be compared to regional and landscape-scale patterns in carbon reserves in adults and sapling by sampling root and stem concentrations of nonstructural carbohydrates (TNC) and relate these to demographic patterns, life-history traits, and plant C:N ratios. Besides addressing important ecological questions directly, this study is designed to improve the representations of vegetation dynamics and carbohydrate reserves in regional and landscape-scale forest ecosystem models--two of the least data-constrained processes in such models--by parameterizing and validating the modules for these processes in the Ecosystem Demography model (ED v2.1). This data set contains two years of census data for eight mapped plots distributed across Harvard Forest along the aforementioned primary environmental gradients.

openCC0Dec 2023View details →
edi56/100

Concentration and Age of Nonstructural Carbon Reserves in Two Trees at Harvard Forest 2012

We know surprisingly little about whole-tree nonstructural carbon (NSC; primarily sugars and starch) budgets. Even less well understood is the mixing between recent photosynthetic assimilates (new NSC) and previously stored reserves. And, NSC turnover times are poorly constrained. We characterized the distribution of NSC in the stemwood, branches, and roots of two temperate trees, and we used the continuous label offered by the radiocarbon (14C) bomb spike to estimate the mean age of NSC in different tissues. NSC in branches and outermost stemwood growth rings had the 14C signature of the current growing season. However, NSC in older above- and below-ground tissues was enriched in 14C, indicating that it was produced from older assimilates. Radial patterns of 14C in stemwood NSC showed strong mixing of NSC across the youngest growth rings, with limited.

openCC0Dec 2023View details →
edi52/100

Surface Elevation (SET) Data for Brownsville Forest at the Virginia Coastal Reserve, 2019-2025

This dataset contains data from Surface Elevation Tables (SETs) located in the Brownsville Forest at the Virginia Coastal Reserve. These research plots were set up in 2019 as a part of a larger forest disturbance project. Marker Horizons and Shallow SETs were installed in 2020 but have not yet been measured. Tyler Messerschmidt has made all measurements of these SETs

openCustomApr 2025View details →
zenodo44/100

Bird counts in the Central Forest Biosphere Reserve at 2021

<p>Учеты проводились авторами c 20&nbsp;мая по 02&nbsp;июля 2021 г. на территории Центрально-Лесного биосферного заповедника и в его охранной зоне. Учитывали на разовых маршрутах с фиксацией всех птиц и дальностей обнаружения. В каждом местообитании проходили за 2 недели по 3-7 км. учета (круг).&nbsp; Расчет обилия птиц проведен раздельно по дальностям обнаружения (Равкин, Ливанов, 2008). Данные по кругам осреднены. Всего пройдено с учетом 154 км полного учета и 20 частичного. Часть учетов (70 км) сопровождались картографированием мест размещения птиц, фиксацией учетных маршрутов и времени встреч с использованием технологии мобильных геоинформационных систем. Для этого применяли комплекс программ с открытым исходным кодом NextGIS QGIS (<a href="https://nextgis.ru/nextgis-qgis/">https://nextgis.ru/nextgis-qgis/</a>).</p> <p>Выделено 9 типов местообитаний: 1) неморальные ельники 2) бореальные ельники, 3) смешанные леса, 4) мелколиственные леса, 5) сфагновые сосняки, 6)угнетенный сосняк на верховом болоте, 7) открытое верховое болото, 8) луга с перелесками, 9) населенный пункт Б.Федоровское,</p> <p>Собранные материалы переданы в банк данных коллективного пользования Института Систематики и Экологии Животных СО РАН <a href="http://eco.nsc.ru/lab4.html">http://eco.nsc.ru/lab4.html</a></p> <p>Научная номенклатура и русскоязычная орнитонимика приведены по Списку птиц Российской Федерации (Коблик и др., 2006).&nbsp;</p>

opencc-by-4.0Mar 2022View details →
zenodo44/100

Data from : Tree inventory data from permanent plots in French forest reserves

<p>We present a dataset resulting from the first round of a national monitoring program of forest reserves. It contains 9538 permanent plots, distributed across 111 study sites in mainland France (including Corsica). Notably focusing on dead wood measurement, this protocol has primarily been applied in strict forest reserves and special nature reserves (sensu Bollmann et Braunisch 2013), with 68% (6494) of the plots being currently located in strict forest reserves (unmanaged) and 24,7% (2363 plots) in forests unmanaged for at least 50 years. Sites cover a large variety of ecological conditions, from lowland to subalpine forests, but with an underrepresentation of Mediterranean forests (Table 1). The protocol assesses all the stages of a tree's life cycle, from seedling to decomposed lying dead wood. On each plot, a combination of three sampling techniques was used: (i) fixed area inventory for regeneration, standing dead trees, living trees and coarse woody debris (CWD) with diameter over 30 cm, (ii) transect lines for CWD with diameter &lt; 30 cm, and (iii) fixed angle plot method for living trees with a diameter at breast height (DBH) &gt; 30 cm (using a relascopic angle of 3%). Measurements include: exact tree location (azimuth, distance), species, diameter(s), tree-related microhabitats, decay stage and bark cover, seedling cover. With the ongoing climate change, the program network can also provide important information to monitor changes in forest ecosystems. It can also be used as forest management monitoring or conservation status assessment.</p>

opencc-by-4.0Apr 2024View details →
zenodo44/100

Stand structure and tree population dynamic attribute dataset of long abandoned strict forest reserves

<p>We provide an integrated dataset of two consecutive forest inventories, both containing plot-level, and individual tree-level data. The first provides the descriptions and measuring units (or categories) of plot-level variables (Table 1). The plot level table contains 233 records (rows), one for each selected permanent plot of six strict forest reserves located in Hungary. This dataset is georeferenced and contains information on inventories and basic stand structure attributes (Table_1_Plots ESRI shape format).&nbsp;</p> <p>The individual tree-level datasets were acquired by the sampling procedure, detailed in section 2.2. Species, dendrometric attributes, relative crown position, health, and decay status were documented for each tree belonging to the samples. Table 2 provides the descriptions and measuring units (or categories) of tree-level datasets in detail. Furthermore, it provides a tree history classification based on the interpretation of tree status changes. According to a simple scheme of the life and dead history of a tree, it could be classified into four main phases: establishment/regeneration phase; developmental phase; death and gradual decay of the tree trunk; terminated in decomposed/disintegrated state. The main events along these phases are ingrowth regeneration; death of the tree (mortality); disaggregation and decomposition of deadwood. We classify each sampled tree individuals into tree history categories (events and phases, Table 3) that can provide population dynamic aspects at stand level by appropriate tree aggregation functions.</p> <p>Relational link can be set between the plot-level and tree-level datasets based on the unique identification code of the site and sampling plots.</p>

opencc-by-4.0Nov 2022View details →
edi44/100

Tree Survey Database of the WVU Forest Megaplot at Summit Bechtel Reserve

These are data from the initial tree census of the 18-hectare (400m x 500m, with 20m x 20m subplots) WVU Forest Megaplot at Summit Bechtel Reserve in Fayette County, West Virginia. West Virginia University (WVU) faculty and students completed the census during 2018-2022, recording the geographic position, diameter at breast height (DBH), and species of all trees greater than 5cm DBH. These data describing the initial census and analysis of spatial patterns in above ground carbon stocks are complete, and are fully described in the associated 2023 WVU thesis by Megan Ponczek, which is planned to be submitted for peer-reviewed publication. The WVU researchers plan to re-census the plot approximately every five years in order to monitor changes in carbon stocks.

openCC (other)Aug 2023View details →
zenodo40/100

Figure 7 in The Trichoptera of Panama. VI. Seven new species of microcaddisflies (Insecta: Trichoptera: Hydroptilidae) from Mount Totumas Cloud Forest and Biological Reserve

Figure 7. Ochrotrichia anticheirion sp. n., male genitalia. A) Segments VIII–IX, lateral (base of phallus crosshatched). B) Segments IX–X, dorsal. C) Inferior appendages, ventral. D) Phallus, lateral. E) Phallus, dorsal.

opencc-by-4.0Mar 2018View details →
zenodo40/100

Figure 8 in The Trichoptera of Panama. VI. Seven new species of microcaddisflies (Insecta: Trichoptera: Hydroptilidae) from Mount Totumas Cloud Forest and Biological Reserve

Figure 8. Rhyacopsyche totuma sp. n., male genitalia. A) Segments IX–X, lateral. B) Segments IX–X, dorsal. C) Inferior appendages, ventral. D) Phallus, lateral. E) Phallus, dorsal.

opencc-by-4.0Mar 2018View details →
zenodo40/100

Figure 5 in The Trichoptera of Panama. VI. Seven new species of microcaddisflies (Insecta: Trichoptera: Hydroptilidae) from Mount Totumas Cloud Forest and Biological Reserve

Figure 5. Metrichia calla sp. n., male genitalia. A) Segments IX–X, lateral (base of phallus crosshatched). B) Segments IX–X, dorsal. C) Segment IX, ventral. D) Phallus, lateral. E) Phallus, dorsal.

opencc-by-4.0Mar 2018View details →
zenodo40/100

Figure 4 in The Trichoptera of Panama. VI. Seven new species of microcaddisflies (Insecta: Trichoptera: Hydroptilidae) from Mount Totumas Cloud Forest and Biological Reserve

Figure 4. Metrichia brocha sp. n., male genitalia. A) Segments VII–X, lateral (base of phallus crosshatched). B) Segments IX–X, dorsal. C) Segment IX, ventral. D) Phallus, lateral. E) Phallus, dorsal.

opencc-by-4.0Mar 2018View details →
zenodo40/100

Figure 6 in The Trichoptera of Panama. VI. Seven new species of microcaddisflies (Insecta: Trichoptera: Hydroptilidae) from Mount Totumas Cloud Forest and Biological Reserve

Figure 6. Neotrichia atopa sp. n., male genitalia. A) Segments VIII–X, lateral (base of phallus crosshatched). B) Segments IX–X, dorsal. C) Segment IX, ventral. D) Phallus, lateral. E) Phallus, dorsal.

opencc-by-4.0Mar 2018View details →
zenodo40/100

Figure 2 in The Trichoptera of Panama. VI. Seven new species of microcaddisflies (Insecta: Trichoptera: Hydroptilidae) from Mount Totumas Cloud Forest and Biological Reserve

Figure 2. Costatrichia devestiva sp. n., male genitalia. A) Segments VIII–X, and segment VII mesoventral process, lateral (base of phallus crosshatched). B) Segments IX–X, dorsal. C) Segments VIII–IX and segment VII mesoventral process, ventral. D) Phallus, lateral phallus, dorsal.

opencc-by-4.0Mar 2018View details →
zenodo40/100

Fig. 8 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 8. Classification tree model computed from the morphometric characters of complete specimen data (with carapace sculpturing). A binary decision is made at each node, where 'true' for the node description lead to branch at left and 'false' to right. Probability of correct prediction ('recall') at each terminal node ('leaf') is also shown.

opencc-by-4.0May 2014View details →
zenodo40/100

Fig. 7 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 7. Light and scanning electron micrograph of cyprids of: A, B, Amphibalanus reticulatus; C, OTU 2; D, Amphibalanus amphitrite; and E, OTU 1. Carapace sculpturing were absent in this group of cyprids.

opencc-by-4.0May 2014View details →
zenodo40/100

Fig. 9 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 9. Composition of barnacle cyprid diversity at different stations and different year of collection.

opencc-by-4.0May 2014View details →
zenodo40/100

Fig. 6 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 6. Light and scanning electron micrograph of cyprids of: A–H, Amphibalanus variegatus; and I–L, Euraphia withersi. Details of specific carapace sculpturing patterns in each species are shown at higher magnification. 6I, E. withersi has reddish pigments around the carapace (arrows) and a dark rounded pigmentation spot (circled).

opencc-by-4.0May 2014View details →
zenodo40/100

Fig. 5 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 5. Light and scanning electron micrograph of cyprids of: A–D, Fistulobalanus sp.; and E–J, Fistulobalanus patellaris. Details of specific carapace sculpturing patterns in each species are shown at higher magnification.

opencc-by-4.0May 2014View details →
zenodo40/100

Fig. 2 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 2. Lateral view of cyris larvae of barnacle showing measurements used for morphometric analysis. CL: carapace length; CH: carapace height; A: posterior carapace angle. Ratio of CL/CH was also calculated.

opencc-by-4.0May 2014View details →
zenodo40/100

Fig. 1 in A combined morphological and molecular approach in identifying barnacle cyprids from the Matang Mangrove Forest Reserve in Malaysia: essentials for larval ecology studies

Fig. 1. Map of sampling locations at Matang Mangrove Forest Reserve (MMFR) in Perak, Malaysia. Sampling was carried out in April 2011 at sites 1–8 and in June 2012 at sites 9–14.

opencc-by-4.0May 2014View details →

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Last verified 2026-04-30Open record

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abode-home-cage
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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.

dandi-nwb
electrophysiologyopenPublished Dandiset metadata and archive endpoints are available through the production DANDI API.
Last verified 2026-04-30Open record

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.

ibl
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Last verified 2026-04-29Open record

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.

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Last verified 2026-04-29Open record