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Littérature scientifique sur le sujet « Seedling regeneration »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 2 février 2022

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Articles de revues sur le sujet "Seedling regeneration"

Fukasawa, Y., Y. Komagata, and S. Ushijima. "Fungal wood decomposer activity induces niche separation between two dominant tree species seedlings regenerating on coarse woody material." Canadian Journal of Forest Research 47, no. 1 (January 2017): 106–12. http://dx.doi.org/10.1139/cjfr-2016-0218.

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Decomposition subsystems have an essential role in forest dynamics but few studies demonstrate the effect of microbial decay traits on seedling regeneration. In the present study, we focused on seedling regeneration on coarse woody material (CWM), which is an important regeneration site for forest tree species, and the effects of wood decay type according to fungal decay preference for wood structural components on seedling colonization. Effects of log properties including wood decay type and other environmental variables on seedling density were evaluated by ordination methods and generalized

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Béland, Martin, Yves Bergeron, and Richard Zarnovican. "Natural regeneration of jack pine following harvesting and site preparation in the Clay Belt of northwestern Quebec." Forestry Chronicle 75, no. 5 (October 1, 1999): 821–31. http://dx.doi.org/10.5558/tfc75821-5.

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A 36-ha experiment was carried out to assess the possibility of naturally regenerating jack pine stands following harvesting on clay soils of northwestern Quebec. Although differences between treatments were not statistically significant, there was a trend toward a positive effect of one treatment combining on-site delimbing and scarification with the Silva Wadell™ cone scarifier on jack pine seedling density (up to 10 000/ha) and distribution (50% of 1 m2 plots with at least one seedling, corresponding to 94% with 4 m2 plots), two years after harvest. However, scarified microsites contained f

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Johnson and Yeakley. "Microsites and Climate Zones: Seedling Regeneration in the Alpine Treeline Ecotone Worldwide." Forests 10, no. 10 (October 3, 2019): 864. http://dx.doi.org/10.3390/f10100864.

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Microsites, local features having the potential to alter the environment for seedling regeneration, may help to define likely trends in high-elevation forest regeneration pattern. Although multiple microsites may exist in any alpine treeline ecotone (ATE) on any continent, some microsites appear to enhance density of seedling regeneration better than others. Known seedling regeneration stresses in the ATE include low temperature, low substrate moisture, high radiation, drought, wind, and both high and low snowfall amount. Relationships among various microsite types, annual temperature, annual

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Peters, Vernon S., and Darcy R. Visscher. "Seed Availability Does Not Ensure Regeneration in Northern Ecosystems of the Endangered Limber Pine." Forests 10, no. 2 (February 10, 2019): 146. http://dx.doi.org/10.3390/f10020146.

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Research Highlights: When biotic interactions such as disease alter both the seed production capacity of stands, and seedling survivorship, the relative importance of seed availability versus substrate specificity may alter future regeneration opportunities for plant populations. Background and Objectives: We investigated the importance of disease severity, seed availability, and substrate limitation to the regeneration dynamics of the endangered limber pine, Pinus flexilis, in two ecosystems with varying forest composition, and different histories of white pine blister rust infection (WPBR; C

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St-Pierre, Hélène, Réjean Gagnon, and Pierre Bellefleur. "Distribution spatiale de la régénération après feu de l'épinette noire (Picea mariana) et du pin gris (Pinus banksiana) dans la forêt boréale, Réserve faunique Ashuapmushuan, Québec." Canadian Journal of Botany 69, no. 4 (April 1, 1991): 717–21. http://dx.doi.org/10.1139/b91-097.

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Post-fire spatial distribution of black spruce (Picea mariana (Mill.) BSP) and jack pine (Pinus banksiana Lamb.) regenerations were studied in the Réserve faunique Ashuapmushuan, Quebec. The main factors analysed were (i) effects of organic matter thickness on growth and regneration, (ii) spatial distribution type of the regeneration, (iii) effects of burned stems on this distribution, and (iv) links between spatial distribution of the regeneration and the thickness of the post-fire residual organic matter. A strong correlation was observed between the presence of seedlings and the thickness o

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Alfaro-Sibaja, Laura, Daniela Barquero-Salgado, Alicia Fonseca, Randall A. Montoya-Solano, Vanesa Morales-Cerdas, and Daniel Ramírez-Arce. "Vegetation structure and composition of mangrove Palo Seco Quepos, Costa Rica." UNED Research Journal 7, no. 2 (December 15, 2015): 325–32. http://dx.doi.org/10.22458/urj.v7i2.1161.

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The Palo Seco mangrove in the Pacific coast of Costa Rica is in a tropical wet forest-perhumid forest transition. The nearby human population and tourism are threatening its borders. We studied mangrove’s structure, composition and regeneration as a base for future comparisons. We sampled eight 10m x 10m plots. Within them, 1m2 and 16 m2 plots were established to measure seedlings and saplings. We measured 153 trees in an 800 m2 area, with an average density of 0,19 ± 0,12 Ind/m2. Avicennia germinans was the dominant species, and Avicennia bicolor the less abundant. While seed- ling’s basal ar

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Youngblood, Andrew P. "Effect of shelterwood removal methods on established regeneration in an Alaska white spruce stand." Canadian Journal of Forest Research 20, no. 9 (September 1, 1990): 1378–81. http://dx.doi.org/10.1139/x90-182.

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Seedling damage during overstory removal was compared among different yarding methods; almost three times more mortality was associated with rubber-tired ground skidding than with skyline cable yarding. Seedlings ranging in height from 0.4 to 1.0 m generally received less damage or had lower mortality rates from cable yarding than did shorter or taller seedlings. Snowpack disturbance and percentage of seedling mortality were positively correlated. Results suggested that with attention to seedling height growth and yarding method, the shelterwood regeneration system is a viable option for white

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Lunt, Ian D., Heidi C. Zimmer, and David C. Cheal. "The tortoise and the hare? Post-fire regeneration in mixed Eucalyptus - Callitris forest." Australian Journal of Botany 59, no. 6 (2011): 575. http://dx.doi.org/10.1071/bt11151.

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Seedling regeneration after a high intensity wildfire was assessed in a mixed forest dominated by Eucalyptus species and Callitris endlicheri (Parl.) F.M. Bailey. Patterns were compared against the ‘slow seedling’ or ‘tortoise-and-hare’ theory of competitive interactions between gymnosperms and angiosperms. Browsing effects were documented using fenced plots, and seedling density, mortality and height were assessed over 6 years, from 2004–10. Consistent with expectations, Eucalyptus seedlings grew faster than Callitris seedlings in most situations. Callitris seedlings grew faster and produced

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Brose, Patrick H. "A comparison of the effects of different shelterwood harvest methods on the survival and growth of acorn-origin oak seedlings." Canadian Journal of Forest Research 41, no. 12 (December 2011): 2359–74. http://dx.doi.org/10.1139/x11-143.

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Timely development of newly germinated oak (Quercus spp.) seedlings into competitive-sized regeneration is an essential part of the oak regeneration process. The amount of sunlight reaching the forest floor partly governs this development, and foresters often use the shelterwood system to expose oak seedlings to varying degrees of insolation. To further understand the seedling development–sunlight–shelterwood relationships, I conducted a multiyear study at five locations in Pennsylvania. Each location had four stands either uncut or recently treated with one of three shelterwood harvest method

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Jones, Robert H., Ralph D. Nyland, and Dudley J. Raynal. "Response of American Beech Regeneration to Selection Cutting of Northern Hardwoods in New York." Northern Journal of Applied Forestry 6, no. 1 (March 1, 1989): 34–36. http://dx.doi.org/10.1093/njaf/6.1.34.

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Abstract Root sprout and seedling regeneration of American beech was sampled in two maple-dominated northern hardwood stands 13-14 years after single-tree selection cutting. The largest stems had been advance regeneration, and seedlings comprised a substantial and well-distributed portion of these. Among stems established after the cut, root sprouts outnumbered seedlings. Total beech regeneration abundance was correlated with basal area of overstory beech. For long-term beech control, it may be useful to reduce beech seedling populations before selection cutting, and to cut large diameter beec

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Thèses sur le sujet "Seedling regeneration"

Welling, P. (Pirjo). "Regeneration by seeds and vegetation structure in alpine plant communities, subarctic Finland." Doctoral thesis, University of Oulu, 2002. http://urn.fi/urn:isbn:951426861X.

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Abstract The aims were to examine the importance of regeneration by seeds, the influence of plant traits and disturbances, and the role of seed-seedling conflicts in regeneration and in the determination of vegetation structure. The study was carried out at in a subarctic alpine area (Kilpisjärvi 69°01'N 20°50E', Finland). Seed bank and seedling densities were high in many plant communities (ranges 99 -1109 viable seeds/m2 and 0.2-227 seedlings/m2, respectively). Effective seedling recruitment is reflected in vegetation as a high proportion of plants with poor or no vegetative reprodu

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Hanley, Michael Edward. "The influence of molluscan herbivory on seedling regeneration in grassland." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296377.

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MacAllister, Sarah Louise. "Regeneration of Scots pine (Pinus sylvestris L.) under drought." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/19560.

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Drought-induced tree mortality is a phenomenon affecting many forest ecosystems and is predicted to increase under ongoing climate change. Forest stability partly depends on regeneration: the process of renewing mature forest with subsequent generations. As seedlings are more susceptible to drought effects than mature trees, mortality of the seedling bank can represent a major bottleneck controlling forest structure and species composition. Scots Pine (Pinus sylvestris L.) is the most widely distributed of the Pinus species, covering a broad latitudinal gradient of ecological conditions. The t

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Mallinson, Julian Robert. "The impact of herbivores on the natural regeneration of temperate deciduous woodland." Thesis, Durham University, 1999. http://etheses.dur.ac.uk/4591/.

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Many studies have reported deficient or intermittent patterns of natural regeneration in temperate deciduous woodland. The present study aimed to assess the relative impact of herbivore-mediated plant mortality on the natural regeneration dynamics of representative tree species (Acer pseudoplatanus, Betula pendula, Fraxinus excelsior, Ilex aquifolium, Sorbus aucuparia, Taxus baccata and Ulmus glabra) in representative temperate deciduous woodland (Shipley Wood and Derwent Gorge, County Durham). Sapling density and the density, spatial association and size distribution of adult tree populations

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Holgén, Per. "Seedling performance, shelter tree increment and recreation values in boreal shelterwood stands /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5854-4.pdf.

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West, Lee. "Effects of Soil Fungi on Tree Seedling Establishment in a Southeastern Coastal Plain Forest." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/46180.

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Effects of fungi and overstory composition on tree seedling survival and growth were investigated in closed canopy upland forests in the coastal plain of South Carolina. Seedlings of Quercus alba, Cornus florida and Pinus taeda were planted in the understory of two forest types -naturally regenerated hardwood and planted pine. Fungal species composition and biomass were experimentally manipulated with a treatment of the fungicide captan. In contrast with other studies conducted in different systems (sand dune, grassland, and old field), the effects of soil fungi were minor in a closed can

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Warrillow, Michael P. "Ecological Impact of Glaze Storm Damage in an Appalachian Oak Forest." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/31507.

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Glaze damage to canopy trees, gap size and seedling regeneration was surveyed relating to site topographic features after a major glaze storm at Fishburn Forest in the central Appalachian mountain region. The survey sites were stratified according to aspect and landform, and sample plots were randomly assigned to each topographic category. The canopy trees in the plots were tallied and their damage was visually classified. The results demonstrated that different species had different susceptibilities to glaze damage and susceptibility of species varied as topography changed. Virginia pine w

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Pearce, Christopher Deane. "Effectiveness of Treatments to Reduce Rhododendron maximum and Promote Tree Seedling Regeneration in the Southern Appalachians." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/41885.

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Rosebay rhododendron (Rhododendron maximum L.) is an evergreen ericaceous shrub that plays a dynamic role in the southern Appalachian forests. Commonly located on mesic sites, this understory shrub forms dense thickets that greatly reduce the amount of light available to herbaceous and woody plants found on the forest floor. Past research has shown that silvicultural methods can be used to eradicate R. maximum, however it is unclear which of these methods is most efficient and what effects other than stem mortality may occur. In this study, treatments involving prescribed fire, mechanical cutt

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Frankenberg, Sarah J. "Fire, Forest, Ice, and Fungi: Exploring The Mesh Of Relationships Driving Seedling Regeneration In The Siberian Arctic." University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1596147602477988.

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White, Helen Marie. "Biotic and Abiotic Factors of Picea rubens (Red Spruce) Seedling Regeneration in Disturbed Heathland Barrens of the Central Appalachians." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/101088.

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During the late 19th and early 20th centuries, extensive logging reduced the forests of red spruce (Picea rubens) by nearly 99% through portions of West Virginia. In the wake of this disturbance, red spruce has begun regenerating on the ridge and mountaintop areas of Canaan Valley, West Virginia, where heath and grassland communities have both persisted in natural barrens and expanded into formerly forested areas. To understand abiotic and biotic conditions guiding the advance of the red spruce stand, I conducted a broad-scale assessment of thirty-one demographics plots spread across two sites

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Livres sur le sujet "Seedling regeneration"

Manchester, Edwin H. Tree shelters show promise for oak regeneration. Atlanta, Ga: U.S. Dept. of Agriculture, Forest Service, Cooperative Forestry, 1988.

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Manchester, Edwin H. Tree shelters show promise for oak regeneration. Atlanta, Ga: U.S. Dept. of Agriculture, Forest Service, Cooperative Forestry, 1988.

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Ratliff, Raymond D. Grazing on regeneration sites encourages pine seedling growth. Albany, Calif: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station, 1995.

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Institute, Petawawa National Forestry. Modelling seedling emergence using soil monoliths. Chalk River, Ont: Petawawa National Forestry Institute, 1995.

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McDonald, Philip M. Seedfall, regeneration, and seedling development in group-selection openings. Albany, Calif. (P.O. Box 245, Berkeley 94701-0245): U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station, 1994.

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Minore, Don. Effects of site preparation on seedling growth: A preliminary comparison of broadcast burning and pile burning. Portland, Or: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986.

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Alexander, Robert R. Engelmann spruce seed production and dispersal and seedling establishment in the central Rocky Mountains. Fort Collins, Colo: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986.

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Alexander, Robert R. Engelmann spruce seed production and dispersal, and seedling establishment in the central Rocky Mountains. Fort Collins, Colo: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986.

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Mallik, A. U. Vegetative and seedling regeneration of pin cherry (Prunus pensylvanica): Efficacy of herbicide treatment. Sault Ste. Marie, Ont: Great Lakes Forestry Centre, 1996.

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Chapitres de livres sur le sujet "Seedling regeneration"

Mexal, John G., and David B. South. "Bareroot Seedling Culture." In Forest Regeneration Manual, 89–115. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3800-0_6.

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Johnson, Jon D., and Michael L. Cline. "Seedling Quality of Southern Pines." In Forest Regeneration Manual, 143–59. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3800-0_8.

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Jack, Steven B., and Stephen D. Pecot. "Regeneration Dynamics, Competition, and Seedling Response." In Ecological Restoration and Management of Longleaf Pine Forests, 71–88. Boca Raton : CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315152141-4.

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Brissette, John C., James P. Barnett, and Thomas D. Landis. "Container Seedlings." In Forest Regeneration Manual, 117–41. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3800-0_7.

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Díaz Vélez, M. Celeste, Ana E. Ferreras, and Valeria Paiaro. "Seed dispersal interactions promoting plant invasions." In Plant invasions: the role of biotic interactions, 90–104. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0090.

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Abstract Animal dispersers are essential for many non-native plants since they facilitate seed movement and might promote seed germination and seedling establishment, thereby increasing their chances of invasion. This chapter reviews the published literature on seed dispersal of non-native plant species by native and/or non-native animals. The following questions are addressed: (i) Are interactions between non-native plants and their animal dispersers evenly studied worldwide? (ii) Which are the distinctive traits (i.e. geographical origin, life form, dispersal strategy and propagule traits) of non-native plants that are dispersed by animals? (iii) Which are the most studied groups of dispersers of non-native plants around the world? (iv) Does the literature provide evidence for the Invasional Meltdown Hypothesis (non-native plant-non-native disperser facilitation)? (v) What is the role of animal dispersers at different stages of the non-native plant regeneration process? Our dataset of 204 articles indicates that geographical distribution of the studies was highly heterogeneous among continents, with the highest number coming from North America and the lowest from Asia and Central America. Most of the non-native plants involved in dispersal studies were woody species from Asia with fleshy fruits dispersed by endozoochory. More than the half of the animal dispersal agents noted were birds, followed by mammals, ants and reptiles. The dominance of bird-dispersal interactions over other animal groups was consistent across geographical regions. Although most of the studies involved only native dispersers, interactions among non-native species were detected, providing support for the existence of invasional meltdown processes. Of the total number of reviewed articles reporting seed removal, 74% evaluated seed dispersal, but only a few studies included seed germination (35.3%), seedling establishment (5.4%) or seed predation (23.5%). Finally, we discuss some research biases and directions for future studies in the area.

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Carlson, William C. "Lifting, Storing, and Transporting Southern Pine Seedlings." In Forest Regeneration Manual, 291–301. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3800-0_16.

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Whitmore, T. C. "Potential Impact of Climatic Change on Tropical Rain Forest Seedlings and Forest Regeneration." In Potential Impacts of Climate Change on Tropical Forest Ecosystems, 289–98. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2730-3_13.

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Lundqvist, Lars, and Sven Wagner. "Regeneration techniques and the seedling environment from a European perspective." In Restoration of Boreal and Temperate Forests, 153–71. CRC Press, 2004. http://dx.doi.org/10.1201/9780203497784.ch10.

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O. Numbere, Aroloye. "Mangrove Restoration under Different Disturbances Regime in the Niger Delta, Nigeria." In Mangrove Ecosystem Restoration [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96127.

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Mangroves of the Niger Delta are the largest in Africa and are the source of numerous ecosystem services such as firewood, seafood, building materials and medicinal herbs. Their sustainable use and protection are important for future generations. However, anthropogenic activities such as oil and gas exploration, urbanization, industrialization, dredging, overexploitation and sand mining are the major disturbances that have pushed the mangroves to the brink of extinction. Therefore, in other to restore lost areas of the mangroves natural and artificial means can be adopted to bring them to a restored state. More often than not emphasis of recovery had been placed on artificial remediation and restoration, where polluted sites are cleaned with chemicals and nursery seedlings transplanted to remediated such sites. Nevertheless, this chapter discusses the possibility of utilizing natural means of forest recovery through seedling recruitment and regeneration. This can be achieved by establishing the right environmental conditions such as setting up of a hydro-channel to ensure smooth inflow and out flow of river water carrying seeds, availability of parent mangrove trees to supply the seeds, and the availability of the right soil condition to enable seedling germination and growth. The use of dried and ground mangrove parts as a new way for restoring polluted soil is discussed; in addition, the unconventional proposition of using low key pollution to manage and increase forest resilience is highlighted in this work even though further studies are recommended. Future direction of mangrove restoration should be tilted towards the application of the force of nature, which has the potentials of reversing the adverse effect of anthropogenic activities in well managed and protected sites.

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Bazzaz, F. A., and P. M. Wayne. "Coping with Environmental Heterogeneity: The Physiological Ecology of Tree Seedling Regeneration across the Gap—Understory Continuum." In Exploitation of Environmental Heterogeneity by Plants, 349–90. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-12-155070-7.50018-4.

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Actes de conférences sur le sujet "Seedling regeneration"

DUMINS, Karlis, Toms STALS, and Dagnija LAZDINA. "FOREST REGENERATION QUALITY ASSESSMENT BY ASTA SYSTEM." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.178.

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In Latvia one third of the total forest area is regenerated by planting tree seedlings and therefore it is important to choose the appropriate soil preparation method and the right type of regeneration material for each forest type. Usually the success of afforestation is evaluated by how high is the average seedling survival rate and growth parameters like height, annual increment, diameter at breast height while the location of the seedling is disregarded. This may be of great importance since in such stands the environmental conditions typically are not entirely homogenous. Micro topography

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Pats, E. N. "CRITERIA OF SEEDLING COLONIZATION IN SIBERIAN STONE PINE FORESTS IN TOMSK OBLAST." In Prirodopol'zovanie i ohrana prirody: Ohrana pamjatnikov prirody, biologicheskogo i landshaftnogo raznoobrazija Tomskogo Priob'ja i drugih regionov Rossii. Izdatel'stvo Tomskogo gosudarstvennogo universiteta, 2020. http://dx.doi.org/10.17223/978-5-94621-954-9-2020-12.

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The current state of reforestation of Siberian stone pine stands in the near-village Siberian stone pine forests in Tomsk Oblast is given by criteria of dark coniferous seedling colonization. Structure of the natural regeneration is very diverse and quite specific.

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Fukasawa, Yu, Yoko Ando, Satoshi Suzuki, Yoshitaka Oishi, Kimiyo Matsukura, Kunihiro Okano, and Zewei Song. "A long-term impact of forest disturbance on spruce seedling regeneration on coarse woody debris." In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107752.

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MIEZĪTE, Olga, Jeļena RŪBA, Lāsma FREIMANE, Imants LIEPA, and Edgars DUBROVSKIS. "THE HEALTH STATUS AND NATURAL REGENERATION OF PINUS SYLVESTRIS L. AFTER THE SURFACE FIRE IN VACCINIOSA FOREST TYPE IN LATVIA." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.100.

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From abiotic factors the most effecting influence on forest ecosystems has fire. Two years after surface fire in the pine stands growing in Vacciniosa forest type. Two PL (hereinafter PL) were installed in medium-aged (49 years old, 2.3 ha) and two PLs - in maturing (96 years old, 2.5 ha) stands. In each PL (20x20 m), the numbering of the trees was carried out and their placement was fixed, as well as the diameter, height and height of the green crown were measured. The sanitary condition of each tree was evaluated. For registration of one-year and two-year seedlings in each sample plot 25 sam

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Rapports d'organisations sur le sujet "Seedling regeneration"

Ratliff, Raymond D., and Renee G. Denton. Grazing on Regeneration Sites Encourages Pine Seedling Growth. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1995. http://dx.doi.org/10.2737/psw-rp-223.

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McDonald, Philip M., and Celeste S. Abbott. Seedfall, regeneration, and seedling development in group-selection openings. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1994. http://dx.doi.org/10.2737/psw-rp-220.

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Ristau, Todd E., and Susan L. Stout. Can cover data be used as a surrogate for seedling counts in regeneration stocking evaluations in northern hardwood forests? Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station, 2014. http://dx.doi.org/10.2737/nrs-rn-198.

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Leis, Sherry. Vegetation community monitoring at Lincoln Boyhood National Memorial: 2011–2019. National Park Service, April 2021. http://dx.doi.org/10.36967/nrr-2284711.

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Lincoln Boyhood National Memorial celebrates the lives of the Lincoln family including the final resting place of Abraham’s mother, Nancy Hanks Lincoln. Lincoln’s childhood in Indiana was a formative time in the life our 16th president. When the Lincoln family arrived in Indiana, the property was covered in the oak-hickory forest type. They cleared land to create their homestead and farm. Later, designers of the memorial felt that it was important to restore woodlands to the site. The woodlands would help visitors visualize the challenges the Lincoln family faced in establishing and maintainin

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