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Journal articles on the topic 'Growth of forest species'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Soleiman Mohammadi, Limaei, Lohmander Peter, and Olsson Leif. "Dynamic growth models for continuous cover multi-species forestry in Iranian Caspian forests." Journal of Forest Science 63, No. 11 (2017): 519–29. http://dx.doi.org/10.17221/32/2017-jfs.

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This study concerns some of the relevant topics of the Iranian Caspian forestry planning problem, in particular the first central components in this modelling process, such as forest modelling, forest statistics and growth function estimations. The required data was collected from Iranian Caspian forests. To do so, 201 sample plots were determined and the parameters such as number of trees, tree diameter at breast height and tree height were measured at each sample plot. Three sample plots at different 3 elevations were chosen to measure the tree increment. Data has been used to estimate a mod

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Desponts, Mireille, Geneviève Brunet, Louis Bélanger, and Mathieu Bouchard. "The eastern boreal old-growth balsam fir forest: a distinct ecosystem." Canadian Journal of Botany 82, no. 6 (2004): 830–49. http://dx.doi.org/10.1139/b04-063.

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The objective of this project was to assess the importance of pristine forests in maintaining the botanical biodiversity of the humid boreal balsam fir forest of eastern Canada. The study was based on a comparative analysis of silviculturally mature second-growth stands and pristine forest stands at two stages of development (senescent and old growth) in the Gaspé Peninsula. The structure and composition of the stands was described, and the abundance of structural attributes evaluated. The communities of nonvascular plant species (mosses, liverworts), lichens, and saprophytic fungi were compar

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Komonen, Atte, Juha Siitonen, and Marko Mutanen. "Insects inhabiting two old-growth forest polypore species." Entomologica Fennica 12, no. 1 (2001): 3–14. http://dx.doi.org/10.33338/ef.84088.

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This paper describes insect communities inhabiting two old-growth forest polypores Amylocystis lapponica and Fomitopsis rosea (Polyporaceae). Basidiocarps of both species were collected from old-growth forests in southern and eastern Finland and Russia. Samples of A. lapponica and F. rosea basidiocarps revealed insect communities of more than 50 species each, including many rare old-growth forest species. Here we report the rearing results and discuss the biology of the beetle Hallomenus sp. (Melandryidae) inhabiting A. lapponica and the beetle Cis dentatus (Cisidae), the moth Agnathosia mendi

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Brunialti, Giorgio, Paolo Giordani, Sonia Ravera, and Luisa Frati. "The Reproductive Strategy as an Important Trait for the Distribution of Lower-Trunk Epiphytic Lichens in Old-Growth vs. Non-Old Growth Forests." Forests 12, no. 1 (2020): 27. http://dx.doi.org/10.3390/f12010027.

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(1) Research Highlights: The work studied the beta diversity patterns of epiphytic lichens as a function of their reproductive strategies in old-growth and non-old growth forests from the Mediterranean area. (2) Background and Objectives: The reproductive strategies of lichens can drive the dispersal and distribution of species assemblages in forest ecosystems. To further investigate this issue, we analyzed data on epiphytic lichen diversity collected from old-growth and non-old growth forest sites (36 plots) located in Cilento National Park (South Italy). Our working hypothesis was that the d

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WAGNER, Christopher, Lyndsay J. SCHRAM, Richard Troy McMULLIN, Shelley L. HUNT, and Madhur ANAND. "Lichen communities in two old-growth pine (Pinus) forests." Lichenologist 46, no. 5 (2014): 697–709. http://dx.doi.org/10.1017/s002428291400022x.

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AbstractMany lichen species have specific environmental requirements for colonization. Old-growth forests contain microhabitats required by a particular suite of lichens. In Ontario, Canada, old-growth forests are increasingly uncommon and the lichen communities within some of these forests are not well known. To better understand the lichen communities that inhabit old-growth forests in the province, we examined the lichen biota on coarse woody debris (CWD) and trees in a red pine (Pinus resinosa) and a white pine (Pinus strobus) dominated stand in northern Ontario. Lichen diversity was asses

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Rocha, Ricardo, Adrià López-Baucells, Fábio Z. Farneda, et al. "Second-growth and small forest clearings have little effect on the temporal activity patterns of Amazonian phyllostomid bats." Current Zoology 66, no. 2 (2019): 145–53. http://dx.doi.org/10.1093/cz/zoz042.

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Abstract Secondary forests and human-made forest gaps are conspicuous features of tropical landscapes. Yet, behavioral responses to these aspects of anthropogenically modified forests remain poorly investigated. Here, we analyze the effects of small human-made clearings and secondary forests on tropical bats by examining the guild- and species-level activity patterns of phyllostomids sampled in the Central Amazon, Brazil. Specifically, we contrast the temporal activity patterns and degree of temporal overlap of 6 frugivorous and 4 gleaning animalivorous species in old-growth forest and second-

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Bondar, O. B., L. I. Tkach, O. O. Chuikova та A. S. Zolotarova. "Типологічне різноманіття лісів на водозборі річки Сіверський Донець на території Луганської області". Ukrainian Journal of Ecology 7, № 3 (2017): 120–27. http://dx.doi.org/10.15421/2017_59.

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Typological analysis of watershed forests of the Seversky Donets River was carried out on the basis of forest management data with electronic databases of "Ukrderzhlisproekt" Production Association. More than 27 types of forest were analyzed with total size of 228.2 thousand hectares. The classification of forest growth conditions, forest types and tree species on the left and right banks of the Seversky Donets River was done for the Luhansk region. We determined that the forest fund of the Luhansk region consists from the oak forests – 46.4 %, sudubrava – 21.1 %, conifer forest – 17.5 %. The

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Lumpkin, Heather A., and W. Alice Boyle. "Effects of forest age on fruit composition and removal in tropical bird-dispersed understorey trees." Journal of Tropical Ecology 25, no. 5 (2009): 515–22. http://dx.doi.org/10.1017/s0266467409006208.

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Abstract:Little is known about how land-use changes affect interspecific interactions such as fruit–frugivore mutualisms. Forest age could affect both fruit sugar concentrations via differences in light availability or disperser abundance, and fruit removal rates via differences in bird and plant community composition. We examined how these two factors are affected by forest age in a Costa Rican rain forest. We compared seven young-secondary forest species, seven old-growth forest species, andMiconia nervosagrowing in both forests. We measured sugar concentrations in fruits and manipulated the

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Thompson, Ian D., David A. Kirk, and Christopher Jastrebski. "Does postharvest silviculture improve convergence of avian communities in managed and old-growth boreal forests?" Canadian Journal of Forest Research 43, no. 11 (2013): 1050–62. http://dx.doi.org/10.1139/cjfr-2013-0104.

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Habitat change following forest management may reduce biodiversity in boreal forests, as it has done globally in many forest types. Postharvest silviculture (PHS) is implemented to improve the yield of commercial tree species and has been applied to large areas of boreal forests. PHS may also influence animal communities and so we assessed songbird responses to these treatments in stands 20–52 years old in Ontario, Canada. We expected that several old-forest species would respond positively to PHS, that avian assemblages in treated forests would be distinct from those in untreated managed fore

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Czyżewska, Krystyna, and Stanisław Cieśliński. "Porosty – wskaźniki niżowych lasów puszczańskich w Polsce [Lichens – indicators of lowland old-growth forests in Poland]." Monographiae Botanicae 91 (2014): 223–39. http://dx.doi.org/10.5586/mb.2003.013.

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Old-growth forests arę natural biocoenoses, which developed and function without apparent impacts of human activity, which are adjusted to their habitats and remain in perfect biocoenotic equilibrium. In a forest environment there occurs a high diversity of seminal and cryptogamic plants and fungi, including lichenized fungi (lichens). The disappearance of old-growth forests affected by human activity or their strong fragmentation and isolation are the greatest danger for numerous typically forest lichens. On the basis of selected lichens - indicators of old-growth forests we undertook an atte

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Botting, Rachel S., and Arthur L. Fredeen. "Contrasting terrestrial lichen, liverwort, and moss diversity between old-growth and young second-growth forest on two soil textures in central British Columbia." Canadian Journal of Botany 84, no. 1 (2006): 120–32. http://dx.doi.org/10.1139/b05-146.

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The diversity and abundance of terrestrial lichens, mosses, and liverworts were examined and compared between two ages of forest (old-growth and young second-growth) on two dominant soil types (fine- and coarse-textured soils) in subboreal spruce forests in central British Columbia. Major differences in species composition were found between forest ages, with 30% of species found only in old-growth forest and 21% found only in young second-growth forest. Liverworts were much more common in old-growth sites with half the liverwort species found exclusively in old-growth, and 90% of the recorded

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Osunkoya, Olusegun O., Julian E. Ash, Andrew W. Graham, and Mike S. Hopkins. "Growth of tree seedlings in tropical rain forests of North Queensland, Australia." Journal of Tropical Ecology 9, no. 1 (1993): 1–18. http://dx.doi.org/10.1017/s0266467400006891.

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ABSTRACTThe effects of forest habitat, canopy light condition, vertebrate herbivory and species mean seed size on growth of tree seedlings were evaluated for six widely different species of North Queensland tropical rain forests. Two forest localities differing in size and rainfall intensity were used for the trial. In each forest, seedlings were transplanted three weeks after germination into small to medium-sized canopy gaps and into the forest interiors, with half protected by cages and the other half unprotected. Growth measurements were made over a period of 16 months. All growth paramete

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Borges, Sérgio Henrique. "Bird assemblages in secondary forests developing after slash-and-burn agriculture in the Brazilian Amazon." Journal of Tropical Ecology 23, no. 4 (2007): 469–77. http://dx.doi.org/10.1017/s0266467407004105.

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Although indigenous farmers and other traditional peoples have disturbed Amazonian forests for centuries, few studies investigate the effects of these disturbances on biodiversity. This short-term study investigates how bird assemblages are affected by agricultural practices adopted by the residents of a national park in the Brazilian Amazon. Twelve sites in secondary forest (four sites in three age categories) and 12 sites in primary forest were selected for bird sampling. Audio-visual censuses of birds were conducted in small plots (1 ha) of young secondary growth (4–5 y), middle-aged (7–15

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Lemoine, Nathan P., Deron E. Burkepile, and John D. Parker. "Insect herbivores increase mortality and reduce tree seedling growth of some species in temperate forest canopy gaps." PeerJ 5 (March 21, 2017): e3102. http://dx.doi.org/10.7717/peerj.3102.

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Insect herbivores help maintain forest diversity through selective predation on seedlings of vulnerable tree species. Although the role of natural enemies has been well-studied in tropical systems, relatively few studies have experimentally manipulated insect abundance in temperate forests and tracked impacts over multiple years. We conducted a three-year experiment (2012–2014) deterring insect herbivores from seedlings in new treefall gaps in deciduous hardwood forests in Maryland. During this study, we tracked recruitment of all tree seedlings, as well as survivorship and growth of 889 indiv

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Huber, M., and H. Sterba. "Development of species composition in long term simulations with an individual-tree growth simulator." Journal of Forest Science 55, No. 5 (2009): 194–200. http://dx.doi.org/10.17221/14/2009-jfs.

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The spruce-fir-beech dominated forest stands in Litschau in the Austrian part of the Bohemian Massif were converted by former forest management practices into pure Norway spruce stands and are now discussed to be reconverted into the potential natural vegetation type. The targeted potential natural vegetation type is usually defined by experts in vegetation sciences. Because meanwhile individual-tree growth simulators are a well acknowledged tool for predicting future forest stand development, in this study we investigate if PROGNAUS can also be used to predict the redevelopment of managed for

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Baldwin, L. K., and G. E. Bradfield. "Resilience of bryophyte communities in regenerating matrix forests after logging in temperate rainforests of coastal British ColumbiaThis paper is one of a selection of papers published as part of the special Schofield Gedenkschrift." Botany 88, no. 4 (2010): 297–314. http://dx.doi.org/10.1139/b10-002.

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The resilience (measured as changes in functional group representation and species composition) of bryophyte communities found in the younger-aged (“matrix”) forests surrounding old-growth remnants was examined in two different forest types, warmer, drier (Nimpkish) versus cooler, wetter (Sayward), on Vancouver Island, British Columbia. Bryophytes were sampled within 10 m × 2 m belt transects (species composition only) and using 10 cm × 30 cm microplots (composition and abundance) in two age classes of matrix forest, clearcuts (age 7–20 years), and second-growth (age 25–49 years) as well as in

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Blake, John G., and Bette A. Loiselle. "Bird Assemblages in Second-Growth and Old-Growth Forests, Costa Rica: Perspectives From Mist Nets and Point Counts." Auk 118, no. 2 (2001): 304–26. http://dx.doi.org/10.1093/auk/118.2.304.

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Abstract Second growth has replaced lowland forest in many parts of the Neotropics, providing valuable habitat for many resident and migrant bird species. Given the prevalence of such habitats and the potential benefit for conservation of biodiversity, it is important to understand patterns of diversity in second growth and old growth. Descriptions of species-distribution patterns may depend, however, on method(s) used to sample birds. We used data from mist nets and point counts to (1) describe species diversity and community composition in second-growth (young and old) and old-growth forests

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Liu, Zhu, Wang, Ma, and Meng. "Species Association of the Dominant Tree Species in an Old-Growth Forest and Implications for Enrichment Planting for the Restoration of Natural Degraded Forest in Subtropical China." Forests 10, no. 11 (2019): 957. http://dx.doi.org/10.3390/f10110957.

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Subtropical natural forests are unique due to their ecological and economic functions. However, most of these forests are highly degraded, which impairs the ability to provide ecological and economic benefits. Enrichment planting is an important approach to restore natural degraded forests. Species arrangement is of great importance to inform enrichment planting. Species association refers to the interrelationship of different species occupying a habitat and is a static description of the organic connection formed by the interaction of species. Species association, therefore, provides a scient

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Pacala, Stephen W., Charles D. Canham, and J. A. Silander Jr. "Forest models defined by field measurements: I. The design of a northeastern forest simulator." Canadian Journal of Forest Research 23, no. 10 (1993): 1980–88. http://dx.doi.org/10.1139/x93-249.

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We introduce a new spatially explicit model of forest dynamics. The model is constructed from submodels that predict an individual tree's growth, survival, dispersal, and recruitment, and submodels that predict the local availability of resources. Competition is entirely mechanistic; plants interfere with one another only by depleting resources. We also describe maximum likelihood methods for estimating each of the submodels from data collected in the field. Over the past two years, we collected the necessary data for the dominant tree species in the Great Mountain Forest (Norfolk, Conn.). We

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Hanley, Thomas A., and Terje Hoel. "Species composition of old-growth and riparian Sitka spruce–western hemlock forests in southeastern Alaska." Canadian Journal of Forest Research 26, no. 9 (1996): 1703–8. http://dx.doi.org/10.1139/x26-193.

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We studied six 1.2-ha stands, two each of three types of forest: (1) old-growth, riparian floodplain forest, (2) old-growth, upland forest, and (3) 40-year-old, red alder (Alnusrubra Bong.) riparian forest originating after clear-cut logging of floodplain forest. Sitka spruce (Piceasitchensis (Bong.) Carrière) dominated the old-growth riparian stands and shared dominance with western hemlock (Tsugaheterophylla (Raf.) Sarg.) in the uplands. Regeneration was predominantly spruce in the alder riparian, spruce and hemlock in the old-growth riparian, and hemlock in the upland stands. Total understo

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Harper, Karen, Catherine Boudreault, Louis DeGrandpré, Pierre Drapeau, Sylvie Gauthier, and Yves Bergeron. "Structure, composition, and diversity of old-growth black spruce boreal forest of the Clay Belt region in Quebec and Ontario." Environmental Reviews 11, S1 (2003): S79—S98. http://dx.doi.org/10.1139/a03-013.

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Old-growth black spruce (Picea mariana) boreal forest in the Clay Belt region of Ontario and Quebec is an open forest with a low canopy, quite different from what many consider to be "old growth". Here, we provide an overview of the characteristics of old-growth black spruce forest for three different site types on organic, clay, and coarse deposits. Our objectives were (1) to identify the extent of older forests; (2) to describe the structure, composition, and diversity in different age classes; and (3) to identify key processes in old-growth black spruce forest. We sampled canopy composition

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Istomo, Istomo, and Wahyu Hartarto. "Komposisi Jenis dan Struktur Tegakan Berbagai Formasi Hutan di Resort Bama Taman Nasional Baluran, Jawa Timur." Journal of Tropical Silviculture 10, no. 2 (2019): 75–82. http://dx.doi.org/10.29244/j-siltrop.10.2.75-82.

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Baluran National Park is a oldes national park and unique in terms of existing ecosystems. One area that is considered to be of broad condition is Bama Resort. Baluran National Park has various forest formations including mangrove formations, coastal forests, savana forests, seasonal forests, rainforests, and plain forests. This study aims to examine the composition and structure of each forest formation in Baluran National Park in East Java. The number of plant species found in mangrove forest formations were 6 species, 40 species of coastal forest, 37 species of savana forest, 44 species of

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Runnel, Kadri, Indrek Sell, and Asko Lõhmus. "Recovery of the Critically Endangered bracket fungus Amylocystis lapponica in the Estonian network of strictly protected forests." Oryx 54, no. 4 (2019): 478–82. http://dx.doi.org/10.1017/s0030605319000334.

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AbstractIn regions where primeval forests have vanished it is unclear whether forest protection can sustain specialized old-forest biota, and over what time scale. We report on population expansion of an old-growth specific fungus of European conservation concern, Amylocystis lapponica, in the forest reserve network of Estonia. This conspicuous species was known for 40 years from only single records in one old-growth forest and was categorized nationally as Critically Endangered. During the last 10 years A. lapponica has expanded over the eastern half of the country, with nine subpopulations,

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Uhl, Enno, Torben Hilmers, and Hans Pretzsch. "From Acid Rain to Low Precipitation: The Role Reversal of Norway Spruce, Silver Fir, and European Beech in a Selection Mountain Forest and Its Implications for Forest Management." Forests 12, no. 7 (2021): 894. http://dx.doi.org/10.3390/f12070894.

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Research Highlights: We make use of long term observation data from a selection forest in Bavaria. Despite the changing environmental conditions, stand level productivity remains constant over time. Maintaining species and structural diversity by forest management can contribute to resilient forest ecosystems. Background and Objectives: Forests in mountains are similarly affected by environmental changes like those in northern latitudes as species are closer to the edge of their ecological niche. There are recent studies that report species-specific responses to climate change in unmanaged, mo

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Kleinschmit, J. "Intraspecific variation of growth and adaptive traits in European oak species." annales des sciences forestières 50, Supplement (1993): 166s—185s. http://dx.doi.org/10.1051/forest:19930716.

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Šmudla, R. "Utilisation of mathematical models and growth simulators for creating forest management plans and planning the tending felling." Journal of Forest Science 50, No. 8 (2012): 374–81. http://dx.doi.org/10.17221/4664-jfs.

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The paper describes modelling of forest development and its utilisation for forest management planning, specifically modelling of growth mensurational variables of the two main commercial species &ndash; spruce and beech. Further, utilisation of growth simulator SILVA 2.2 for modelling the tending felling is described, focusing on data collection and main outputs of the modelling. Researched methodology was applied to a sample forest near the Rackov&aacute; municipality, property of Kroměř&iacute;ž Municipal Forests.

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Small, Christine J., and Brian C. McCarthy. "Effects of simulated post-harvest light availability and soil compaction on deciduous forest herbs." Canadian Journal of Forest Research 32, no. 10 (2002): 1753–62. http://dx.doi.org/10.1139/x02-099.

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To better understand the response of eastern deciduous forest herbs to microenvironmental changes associated with logging, the effects of experimental light and soil compaction treatments were examined in six herbaceous plant species characteristic of varying successional stages. We found severe growth reductions and increased mortality of Osmorhiza claytonii (Michx.) C.B. Clarke, a shade-tolerant forest perennial, when grown in full sun and greater soil compaction. Deeply shaded conditions, similar to those beneath regenerating forests, resulted in reduced growth of early successional species

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Ozolincius, Remigijus, Virgilijus Miksys, and Vidas Stakenas. "Growth-independent mortality of Lithuanian forest tree species." Scandinavian Journal of Forest Research 20, sup6 (2005): 153–60. http://dx.doi.org/10.1080/14004080510042164.

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Kolář, Tomáš, Petr Čermák, Miroslav Trnka, Eva Koňasová, Irena Sochová, and Michal Rybníček. "Dendroclimatic study of a mixed spruce-fir-beech forest in the Czech Republic." Les/Wood 69, no. 1 (2020): 21–32. http://dx.doi.org/10.26614/les-wood.2020.v69n01a02.

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European forests are undergoing an important transition due to the current climate change, as monocultures are being gradually replaced by mixed forests. Understanding tree growth in mixed forests under a changing climate is challenging because of tree species’ adaptation and long-term forest planning. In this study, we evaluate the long-term behaviour of Norway spruce (Picea abies), silver fir (Abies alba) and European beech (Fagus sylvatica) from a low montane range at the Czech-Austrian border. Species-specific tree-ring width chronologies have revealed significantly decreasing growth trend

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THINH, VU TIEN, PAUL F. DOHERTY, and KATHRYN P. HUYVAERT. "Avian conservation value of pine plantation forests in northern Vietnam." Bird Conservation International 22, no. 2 (2011): 193–204. http://dx.doi.org/10.1017/s0959270911000293.

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SummaryDecline of native forest cover is a worldwide concern. Recently, overall forest cover in Vietnam has increased, but most of the increase has been attributed to plantations of non-native trees. The conservation value of these plantations for birds is unknown. We compared avian species richness in pine plantations to that in second-growth and mature native forests in Tam Dao National Park, Vietnam. Bird species were classified into two categories: forest specialists or forest generalists. To account for strong heterogeneity in detection probabilities, the number of species in each categor

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Windyarini, Eritrina, and Tri Maria Hasnah. "Identification and Seedlings Growth Evaluation of Shorea Species-Producing Tengkawang." Jurnal Wasian 2, no. 1 (2015): 33. http://dx.doi.org/10.20886/jwas.v2i1.868.

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Most of non timber forest product (NTFP) utilization taken from natural forests which decrease on productivity annually, including tengkawang producer species which taken from West Kalimantan natural forests. This condition needs an effort to preserve those species from natural population utilization through plantation forest development that require spesific strategy. This study was part of breeding strategy of shorea species producing tengkawang which aimed to species identify and seedling growth evaluation used genetic material from 2 (two) population from West Kalimantan. The research was

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Suchomel, Josef, Jan Šipoš, and Ondřej Košulič. "Management Intensity and Forest Successional Stages as Significant Determinants of Small Mammal Communities in a Lowland Floodplain Forest." Forests 11, no. 12 (2020): 1320. http://dx.doi.org/10.3390/f11121320.

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The conversion of forests from complex natural ecosystems to simplified commercial woodlands is one of the major causes of biodiversity loss. To maintain biodiversity, we need to understand how current management practices influence forest ecosystems. We studied the effects of forest successional stage and management intensity on the abundance, species richness, and assemblage composition of small mammals. Our results show that management intensity significantly contributes to reducing the number of species after clearcutting. We revealed that intensively managed clearings can make the dispers

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Batista, Anderson, Paula Gomides Vitor Scolforo, Henrique Ferraço Scolforo, José Marcio de Mello, Marcelino Guedes, and José Roberto Soares Scolforo. "Modeling Tree Diameter Growth of Bertholletia excelsa Bonpl. in the Brazilian Amazon." Forests 11, no. 12 (2020): 1309. http://dx.doi.org/10.3390/f11121309.

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Modeling the growth of Bertholletia excelsa Bonpl. (B. excelsa) trees in natural forests is important for understanding the species’ ecology and for better defining site-specific management. In this sense, this study aimed to model the diameter growth rate of B. excelsa trees in contrasting forest environments in the Brazilian Amazon. This study was conducted in the Extractive Reserve Rio Cajari (RESEX Cajari). Growth models were fitted at species level to predict diameter growth rate in the two Amazonian forest environments. Subsequently, the age at which the B. excelsa tree in each forest en

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Falade, Oladele Fisayo, and Janet Ugochukwu Iheke. "Structural Diversity of Tree Stems of Elephant Camp Natural Forest in Omo Forest Reserve." Environmental Sciences Proceedings 3, no. 1 (2020): 75. http://dx.doi.org/10.3390/iecf2020-08087.

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Tree size diversity is an indicator of biodiversity values of a forest. Microsite conditions of a forest determine the survival and growth of trees. However, the contribution of variable habitats to tree size hierarchy and segregation is poorly understood. Tree size variation in a population is caused by different competition mechanisms. Therefore, the size distribution and spatial pattern of trees can identify the process governing resource utilisation in the forest. The objective of the study was to investigate the tree stem structural diversity in the Elephant Camp natural forest in the Omo

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Bütler, Rita, Markus Bolliger, and Brigitte Commarmot. "Die Suche nach altem Wald in der Schweiz." Schweizerische Zeitschrift fur Forstwesen 166, no. 2 (2015): 67–74. http://dx.doi.org/10.3188/szf.2015.0067.

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The search for old-growth forests in Switzerland Old-growth forests and stands have multiple values, such as biological, scientific, socioeconomic, aesthetic, spiritual and cultural ones, but they are very rare in central Europe. Currently, an overview about the existence and size of old-growth forest patches in Switzerland is missing. We propose a definition for old-growth forests worth preserving based on ten criteria: 1) presence of veteran trees, 2) significant biomass, 3) heterogeneous stand structure including senescent and decaying stages, 4) presence of natural processes and disturbanc

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Kriebel, HB. "Intraspecific variation of growth and adaptive traits in North American oak species." annales des sciences forestières 50, Supplement (1993): 153s—165s. http://dx.doi.org/10.1051/forest:19930715.

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Wiser, Susan K., Robert B. Allen, Udo Benecke, Gordon Baker, and Duane Peltzer. "Tree growth and mortality after small-group harvesting in New Zealand old-growth Nothofagus forests." Canadian Journal of Forest Research 35, no. 10 (2005): 2323–31. http://dx.doi.org/10.1139/x05-158.

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In New Zealand uncertainty about how silvicultural systems influence growth and mortality of residual beech trees has caused controversy surrounding sustainable beech management. We assess the impact of group-selection harvesting on residual-tree growth and mortality in old-growth hard beech (Nothofagus truncata (Col.) Ckn.) and mixed red beech silver beech (Nothofagus fusca (Hook. F.) Oerst. Nothofagus menziesii (Hook. F.) Oerst.) forests. Proximity to cuts had a major influence on growth that varied with both species and initial tree diameter. For all three beech species, diameter increm

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ASTIANI, DWI, LISA M. CURRAN, MUJIMAN MUJIMAN, DESSY RATNASARI, RUSPITA SALIM, and NELLY LISNAWATY. "Edge effects on biomass, growth, and tree diversity of a degraded peatland in West Kalimantan, Indonesia." Biodiversitas Journal of Biological Diversity 19, no. 1 (2018): 272–78. http://dx.doi.org/10.13057/biodiv/d190137.

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Astiani D, Curran LM, Mujiman, Ratnasari D, Salim R, Lisnawaty N. 2018. Edge effects on biomass, growth, and tree diversity of a degraded peatland in West Kalimantan, Indonesia. Biodiversitas 19: 272-278. Tropical forested peatlands in Indonesia are threatened by logging and clearing which reduce their ecosystem functions and degrade the environment. Land use change activities disturbed intact forests, resulted in landscape fragmentation. Scattered forest matrices resulted in forest edge areas, which will considerably affect the forest biotic and abiotic conditions, as well as forest tree dyna

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King, David A., S. Joseph Wright, and Joseph H. Connell. "The contribution of interspecific variation in maximum tree height to tropical and temperate diversity." Journal of Tropical Ecology 22, no. 1 (2005): 11–24. http://dx.doi.org/10.1017/s0266467405002774.

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Maximum height was assessed for tree species from seven temperate deciduous forests, one subtropical forest and one tropical forest and combined with published tree heights for three other tropical forests. The temperate deciduous forests showed a strong concentration of canopy species and a dearth of subcanopy species. In contrast, the four tropical forests showed more uniform distributions of maximum heights, while the subtropical forest had an intermediate distribution. The tropical and subtropical sites had greater densities of small trees than did the temperate sites and most of these sma

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Girardin, M. P., X. J. Guo, P. Y. Bernier, F. Raulier, and S. Gauthier. "Changes in growth of pristine boreal North American forests from 1950 to 2005 driven by landscape demographics and species traits." Biogeosciences Discussions 9, no. 1 (2012): 1021–53. http://dx.doi.org/10.5194/bgd-9-1021-2012.

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Abstract. In spite of the many factors that are occurring and known for positively affecting the growth of forests, some boreal forests across North America have recently felt the adverse impacts of environmental changes. Knowledge of causes for productivity declines in North American boreal forests remains limited and this is owed to the large spatial and temporal scales involved, and the many plant processes affected. Here, the response of pristine eastern boreal North American (PEBNA) forests to ongoing climatic changes is examined using in situ data, community ecology statistics, and speci

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Girardin, M. P., X. J. Guo, P. Y. Bernier, F. Raulier, and S. Gauthier. "Changes in growth of pristine boreal North American forests from 1950 to 2005 driven by landscape demographics and species traits." Biogeosciences 9, no. 7 (2012): 2523–36. http://dx.doi.org/10.5194/bg-9-2523-2012.

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Abstract. In spite of the many factors that are occurring and known for positively affecting the growth of forests, some boreal forests across North America have recently felt the adverse impacts of environmental changes. Knowledge of causes for productivity declines in North American boreal forests remains limited, and this is owed to the large spatial and temporal scales involved, and the many plant processes affected. Here, the response of pristine eastern boreal North American (PEBNA) forests to ongoing climatic changes is examined using in situ data, community ecology statistics, and spec

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Scheidegger, Christoph, and Silvia Stofer. "Bedeutung alter Wälder für Flechten: Schlüsselstrukturen, Vernetzung, ökologische Kontinuität." Schweizerische Zeitschrift fur Forstwesen 166, no. 2 (2015): 75–82. http://dx.doi.org/10.3188/szf.2015.0075.

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The importance of old-growth forests for lichens: keystone structures, connectivity, ecological continuity In Switzerland, 621 lichen species are associated with forest habitats, of which 134 priority forest lichen species need special measures for their long-term conservation. Almost three-quarters of the forest species are considered old-tree dependent lichens because they depend on keystone structures, which are phenological traits of old trees. Threatened forest lichens (red list categories CR, EN and VU) require significantly larger stem diameters to establish compared to non-threatened s

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Boudreault, C., M. Paquette, N. J. Fenton, D. Pothier, and Y. Bergeron. "Changes in bryophytes assemblages along a chronosequence in eastern boreal forest of Quebec." Canadian Journal of Forest Research 48, no. 7 (2018): 821–34. http://dx.doi.org/10.1139/cjfr-2017-0352.

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Old-growth forests are often considered as biodiversity hotspots for bryophytes because of their diversity in environmental niches or microhabitats and forest continuity. Following this hypothesis, old-growth forests would be expected to house species and functional traits associated with species dispersal different from mature forests. In this study, we compared bryophytes in old-growth and younger forests in terms of species composition, functional trait values, and microhabitat associations. We studied bryophytes in 22 sites distributed across three age classes (18 to >200 years) in bore

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Fischer, Rico, Edna Rödig, and Andreas Huth. "Consequences of a Reduced Number of Plant Functional Types for the Simulation of Forest Productivity." Forests 9, no. 8 (2018): 460. http://dx.doi.org/10.3390/f9080460.

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Tropical forests represent an important pool in the global carbon cycle. Their biomass stocks and carbon fluxes are variable in space and time, which is a challenge for accurate measurements. Forest models are therefore used to investigate these complex forest dynamics. The challenge of considering the high species diversity of tropical forests is often addressed by grouping species into plant functional types (PFTs). We investigated how reduced numbers of PFTs affect the prediction of productivity (GPP, NPP) and other carbon fluxes derived from forest simulations. We therefore parameterized a

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Barnes, Burton V., Zhenbang Xü, and Shidong Zhao. "Forest ecosystems in an old-growth pine–mixed hardwood forest of the Changbai Shan Preserve in northeastern China." Canadian Journal of Forest Research 22, no. 2 (1992): 144–60. http://dx.doi.org/10.1139/x92-020.

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Landscape ecosystems of a 60-ha area, representative of the pine–mixed hardwood forest of the Changbai Shan Preserve in Jilin Province of northeastern China, were identified, described, and contrasted. Site–species relationships and successional trends were examined together with a comparison of these ecosystems and species with those of northern hardwood forests of eastern North America. Ecosystem components of physiography, soil, and vegetation were used to distinguish two major ecosystem types. The more widespread ecosystem 1 differed from ecosystem 2 in having a flatter topography and more

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Carle, J. B., A. Duval, and S. Ashfordc. "The future of planted forests." International Forestry Review 22, no. 1 (2020): 65–80. http://dx.doi.org/10.1505/146554820829523970.

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Although planted forests have produced forest products for centuries, the past 4-5 decades has seen an increase in diversity of species, areas planted, growth rates, harvest yields, forest products and the acknowledgement of a wide range of ecosystem services. This paper highlights the potential role of planted forests towards the mid-21 st Century through changing conditions including climate, indigenous forest resources, land availability, socio economic and environmental conditions, innovative forest and forest industries technologies, market demands for sustainability and legality and new

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Ramovs, B. V., and M. R. Roberts. "Response of plant functional groups within plantations and naturally regenerated forests in southern New Brunswick, Canada." Canadian Journal of Forest Research 35, no. 6 (2005): 1261–76. http://dx.doi.org/10.1139/x05-049.

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We examined the composition of understory vascular plant species in managed forests to determine how life-history attributes influence plant response to disturbance. Forest types investigated were plantations on old fields (3177 years old, n = 6), plantations on cutover land (1964 years old, n = 8), young forests naturally regenerated after clear-cutting (2766 years old, n = 6), and mature natural forests with no recent harvesting activity (80100 years old, n = 6). Species were categorized by habitat preference (forest, intermediate, disturbed), growth form (12 categories), and life form (

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Chen, Yuxin, María Natalia Umaña, María Uriarte, and Shixiao Yu. "Abundance-dependent effects of neighbourhood dissimilarity and growth rank reversal in a neotropical forest." Proceedings of the Royal Society B: Biological Sciences 285, no. 1876 (2018): 20172878. http://dx.doi.org/10.1098/rspb.2017.2878.

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Why tropical forests harbour an exceptional number of species with striking differences in abundances remains an open question. We propose a theoretical framework to address this question in which rare species may have different extirpation risks depending on species ranks in tree growth and sensitivities to neighbourhood interactions. To evaluate the framework, we studied tree growth and its responses to neighbourhood dissimilarity (ND) in traits and phylogeny for 146 species in a neotropical forest. We found that tree growth was positively related to ND, and common species were more strongly

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Kulla, L., J. Tutka, and R. Marušák. "Forest yield index and its applicability to the assessment of future forest yields." Journal of Forest Science 55, No. 1 (2009): 41–50. http://dx.doi.org/10.17221/45/2008-jfs.

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The paper suggests and examines a simplified relative indicator of forest production, with special regard to possibilities of its use in projecting future forests. Forest yield index (<I>I</I><sub>Y</sub>), based on an economic parameter “value of final cutting yield” was proposed, and examined in the model territory of Kysuce in north-western Slovakia. The current values of final cutting yield, dependent on tree species, site index and the length of rotation period served as a basis for the assessment of expected yields. The possibilities and limitations of index appli

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Lyr, H. "Effect of the root temperature on growth parameters of various European tree species." Annales des Sciences Forestières 53, no. 2-3 (1996): 317–23. http://dx.doi.org/10.1051/forest:19960214.

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