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Relevant bibliographies by topics / Ex-situ conservation plots

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Journal articles

Academic literature on the topic 'Ex-situ conservation plots'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Ex-situ conservation plots"

1

Neyko, Ihor, Zinoviy Yurkiv, Mykhailo Matusiak, and Olena Kolchanova. "The current state and efficiency use of in situ and ex situ conservation units for seed harvesting in the central part of Ukraine." Folia Forestalia Polonica 61, no. 2 (2019): 146–55. http://dx.doi.org/10.2478/ffp-2019-0014.

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Abstract Significant increase of biological stability, timber volume, and economic value of forests is impossible without refinement and improvement of the organization, and implementation of forest seed production on a genetic and breeding basis. It is possible to solve this task by creating and efficiently functioning in situ and ex situ facilities. In Ukraine, the basic principles of plus selection are envisaged, which include the selection and testing progeny of plus trees. The total number of progeny tests in Ukraine is 106 plots, in which 1,079 genotypes of plus trees are presented. Taki

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2

Adman, Burhanuddin, and Mira Kumala Ningsih. "Pertumbuhan Ulin (Eusideroxylon zwageri Teijsm & Binn.) dari Beberapa Provenans Di KHDTK Samboja, Kalimantan Timur." ULIN: Jurnal Hutan Tropis 5, no. 1 (2021): 1. http://dx.doi.org/10.32522/ujht.v5i1.4284.

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The high conservation status of ironwood (Eusideroxylon zwageri Teijsm & Binn.) causes conservation efforts need to be carried out immediately. Balitek KSDA has carried out ulin conservation efforts by building ulin ex-situ conservation plots in the Samboja KHDTK with seeds from the Sungai Wain, Sangatta and Berau. This study was conducted to evaluate the variation of ironwood plant growth from these three provenances in the Samboja KHDTK. The results showed that the average survival rate of ironwood plant was 79.12% and there were no differences in the three provenances. Plants from Sanga

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Stoyanov, N. "Elm forests in North Bulgaria and conservation strategies." Forest Systems 13, no. 1 (2004): 255–59. http://dx.doi.org/10.5424/830.

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From the genus Ulmus, the naturally spread species in Bulgaria are Ulmus minor, U. laevis, and U. glabra. The main reason for the decreasing of the number and density of the elm populations in Bulgaria are the epyphytonic expressions of the Dutch elm disease (DED) in the 1920s and 1970s, after which the representatives of genus Ulmus today occur predominantly as solitaire trees, biogroups and rarely form stands. In connection with the preservation of the genepool of the elms after the in situ method, an inventory of their genetic resources in North Bulgaria has started in 2002. To study the va

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4

Holubec, V. "Monitoring of selected threatened species in Bohemia." Czech Journal of Genetics and Plant Breeding 46, Special Issue (2010): S21—S26. http://dx.doi.org/10.17221/694-cjgpb.

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The monitoring was based on 6 localities selected from within different regions of the Czech Republic. The vegetation was monitored during 2005 to 2008. Plant checklists have been made for each locality. Permanent plots of 9 m<SUP>2</SUP> in size have been marked and the phytosociological relevés have been recorded. The standard Braun-Blanquet scale of abundance/dominance was used. Biological diversity was evaluated using the Shannon, Simpson, and Evennes indexes. While some localities were stable and no threat was found (Radobýl), other localities were (to an extent) disturbed (Gr

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Rachmadiyanto, A. N., H. Helmanto, S. K. Himmi, et al. "Non-destructive detection of tree deterioration due to termite attack in plant conservation areas." IOP Conference Series: Earth and Environmental Science 1266, no. 1 (2023): 012071. http://dx.doi.org/10.1088/1755-1315/1266/1/012071.

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Abstract Cibodas Botanic Gardens (CBG) is an ex-situ conservation area in tropical highlands. Termites are one of the nuisance organisms in the collection that have conservation value. The number of attacks and the intensity of termite attacks require more strict attention. The main problem in tree health analysis is the difficulty in detecting internal weathering due to attacks by wood-destroying organisms which causes damage to the tree’s core (heart rot) and butt rot. Arborsonic is a tool used and developed to detect and assess tree damage, especially to the trunk. This study aimed to analy

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6

Niemczyk, Marzena, Anna Żółciak, and Wrzesiński Piotr. "The influence of stand canopy openness on the growth of common yew (Taxus baccata L.)." Forest Research Papers 76 (1) (March 1, 2015): 42–48. https://doi.org/10.1515/frp-2015-0004.

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The aim of this study was to evaluate the development of common yew, <em>Taxus baccata</em> L., with respect to canopy openness. The plants were growing in ex-situ conservation plantations (established in 2008) in the understory of different tree species. Eleven forest plantations belonging to the following five forest districts were inventoried: Rokita, Baligród, Kołaczyce, Międzylesie and Henryków. In each plantation, the height and height increment of 200 yews were measured and gap light transmission indices were determined. The canopy species affecting yew growth most signifi

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7

Wangalwa, Rapheal, Eunice Apio Olet, Grace Kagoro-Rugunda, Casim Umba Tolo, Patrick E. Ogwang, and Bernard Barasa. "Occurrence of Citropsis articulata in Tropical Forests in Uganda: Implication for Ex Situ Conservation." International Journal of Forestry Research 2021 (March 24, 2021): 1–19. http://dx.doi.org/10.1155/2021/5582461.

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Citropsis articulata is a medicinal plant that is increasingly threatened by unsustainable methods of harvesting and habitat degradation. Owing to the fact that this plant species is highly utilized for herbal medicine and is currently restricted to a few forest reserves in Uganda, this has significant implications for ex situ conservation. Therefore, the aim of this study was to assess how physiographical factors influence the occurrence and distribution of C. articulata in the three forest reserves in Uganda, namely, Budongo, Mabira, and Kibale National Park. The study was carried out in 15

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8

Murdjoko, Agustinus, Dony Aristone Djitmau, Antoni Ungirwalu, et al. "Pattern of tree diversity in lowland tropical forest in Nikiwar, West Papua, Indonesia." Dendrobiology 85 (March 15, 2021): 78–91. http://dx.doi.org/10.12657/denbio.085.008.

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Trees are significant components of ecosystems built by several widespread species. For instance, Papua forest is known to comprise abiotic and biotic elements. Also, certain plants have grown in popularity to a point where they are discovered almost everywhere. The purpose of this study, therefore, was to investigate tree diversity, distribution, and the importance of conservation. Data were collected in four locations using a total of 24 sample plots spread across Idoor, Karst, Persemaian, and Torembi, where seven, four, seven, and five plots were allocated, respectively. These forests forme

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9

Sousa, Renata Paschoal da Silva, Wendelo Silva Costa, Paula e. Silva Matos, Andréa Siqueira Carvalho, Frederico Drumond Martins, and Kátia Ribeiro Torres. "Ornamental potential of species from the ferruginous Campo rupestre of the Carajás National Forest, Brazilian Amazon." Comunicata Scientiae 12 (December 29, 2020): e3260. http://dx.doi.org/10.14295/cs.v12.3260.

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The flora of the ferruginous Campo rupestre that occur over the immense iron deposits of the Carajás National Forest is very unique, with several endemic and rare species. This vegetation is directly affected by mining activity, as a result of vegetation suppression and the profound disfigurement of habitats. The objective of this work was to identify the ornamental potential of the flora of the ferruginous Campo rupestre, as a strategy for ex situ conservation of ecosystem species. The species present in ten plots of 5 x 5 m were surveyed in different areas of the ferruginous Campo rupestre o

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10

Fitriani, Adistina, and Eva Prihatiningtyas. "STRUKTUR VEGETASI SEKITAR JENIS POHON TANDUI (Mangifera rufocustata KOSTREM.) DI HULU SUNGAI SELATAN." Jurnal Hutan Tropis 9, no. 2 (2021): 464. http://dx.doi.org/10.20527/jht.v9i2.11298.

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This research aims to analyze the vegetation that grow around the tandui plants/ This research done to support for the ex situ and in situ conservation of natural resources,The data collected in this research used proposive sampling methodd with 15 observation plots starting from seedlings, saplings, poles and trees. The analysis data was used the Importance Value Index (INP). The results showed that the seedling rate was dominated by Jambu Air (Syzygium aqueum) 114.65%, Karet (Hevea brasiliensis) 63.38%, Ramania (Bouea macrophylla) 47.92%, sapling rate was dominated by Karet (Hevea brasiliens

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