Academic literature on the topic 'EPIPHYTON SIZE STRUCTURE'

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Journal articles on the topic "EPIPHYTON SIZE STRUCTURE"

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Letáková, Markéta, Marco Cantonati, Petr Hašler, Angeli Nicola, and Aloisie Poulíčková. "Substrate specificity and fine-scale distribution of epiphytic diatoms in a shallow tarn in the Brenta Dolomites (south-eastern Alps)." Plant Ecology and Evolution 149, no. (2) (2016): 144–56. https://doi.org/10.5091/plecevo.2016.1206.

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<b>Background and aims</b> – The host-specificity of epiphytic diatom species has long been debated. Scuba divers sampled epiphytic diatoms in the shallow Alpine Lake Valagola (average depth c. 2 m) along seven transects (length: 30–144 m) in West-East direction. The bottom of the tarn was covered by macrophytes dominated by <i>Chara aspera</i> and <i>Potamogeton gramineus.</i> Factors affecting epiphytic-diatom spatial distribution at a fine scale were tested.<b>Methods</b> – Dataset was tested using Redundancy Analysis (CANOCO package) and one-way ANOVA (NCSS package).<b>Key results</b> – Th
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Zhi, Yongwei, Wei Wang, Wei Li, Yu Cao, and Manli Xia. "Increased Nutrient Levels Induce Different Allocation Strategies Between Canopy-Forming and Rosette-Like Submerged Macrophytes." Water 16, no. 22 (2024): 3196. http://dx.doi.org/10.3390/w16223196.

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Submerged macrophytes play an important role in maintaining the structure and function of shallow lakes. Under eutrophication, the community of submerged macrophytes shows a shift of growth forms from rosette-like to canopy-forming macrophytes and a further decline due to the increasing shading from epiphyton and phytoplankton. However, at the early phase of eutrophication, the population of submerged macrophytes may increase due to increased nutrient availability, and the responses of submerged macrophytes to eutrophication are expected to be growth-form dependent. To explore the direct effec
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Ojala, E., M. Mönkkönen, and J. Inkeröinen. "Epiphytic bryophytes on European aspen Populus tremula in old-growth forests in northeastern Finland and in adjacent sites in Russia." Canadian Journal of Botany 78, no. 4 (2000): 529–36. http://dx.doi.org/10.1139/b00-023.

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We studied the occurrence and cover of epiphytic bryophytes and one lichen species (Lobaria pulmonaria (L.) Hoffm.) growing on Populus tremula L. trunks. Our aim was to explore the spatial scales where epiphyte species respond to their environment. At the landscape scale, fragmented Finnish old-growth forests close to the Russian border and farther west in a heavily fragmented landscape were compared with Russian sites with more continuous old-growth forest landscapes to assess the effect of landscape structure on epiphyte assemblages. We studied factors affecting populations at the level of i
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Bennett, Bradley C. "Comparative biology of Neotropical epiphytic and saxicolous Tillandsia species: population structure." Journal of Tropical Ecology 7, no. 3 (1991): 361–71. http://dx.doi.org/10.1017/s0266467400005630.

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ABSTRACTIn comparing the population structure of epiphytic and saxicolous Tillandsia species I found no significant differences between polycarpic species. Epiphytic T. ionochroma populations had a higher seedling:adult ratio than saxicolous T. ionochroma populations, but the difference was not statistically significant. Tillandsia ultriculala, a monocarpic epiphyte, had a significantly higher seedling:adult ratio than the polycarpic species. T. utriculata's higher ratio may result from its greater seed production and lack of vegetative propagation. Unlike the polycarpic species, all adult-siz
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Hsu, Rebecca C. C., Chienyu Lin, and Chienwen Chen. "Topography-Induced Local Climatic Variations as the Decisive Factor in the Shaping of Epiphyte Distributions in Chilan, Northeastern Taiwan." Forests 14, no. 2 (2023): 358. http://dx.doi.org/10.3390/f14020358.

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To identify the determining microclimatic factors affecting epiphyte distributions, we comprehensively investigated the epiphyte community of montane cloud forests in Chilan. Four sites of adjacent old-growth forests were chosen based on the degree of prevailing wind exposure. At each site, a micrometeorological station was installed about 20 m in the forest canopy. Five emergent trees (with heights of 19~46 m and DBHs of 73~230 cm) were selected at each site for tree structure measurement and epiphyte inventory. In total, 2043 occurrences of 61 epiphytic species were recorded. Epiphytes were
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Lyons, Betsy, Nalini M. Nadkarni, and Malcolm P. North. "Spatial distribution and succession of epiphytes on Tsuga heterophylla (western hemlock) in an old-growth Douglas-fir forest." Canadian Journal of Botany 78, no. 7 (2000): 957–68. http://dx.doi.org/10.1139/b00-064.

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We examined the distribution and abundance of nonvascular epiphytes on western hemlock trees in an old-growth coniferous forest focusing on patterns of epiphyte distribution at different spatial scales, epiphyte abundance amongst trees differing in size, and crown structures associated with epiphyte abundance. Total epiphyte cover was greatest in four canopy microhabitats: the upper canopy strata, crowns of large trees, lower crown branches, and inner branch plots. Epiphyte functional groups were stratified vertically within the stand and horizontally within branches. Alectorioid and "other" l
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Špoljar, Maria, Jelena Fressl, Tvrtko Dražina, Matija Meseljević, and Zlatko Grčić. "Epiphytic metazoans on emergent macrophytes in oxbow lakes of the Krapina River, Croatia: differences related to plant species and limnological conditions." Acta Botanica Croatica 71, no. 1 (2012): 125–38. http://dx.doi.org/10.2478/v10184-011-0062-5.

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Epiphytic metazoans on emergent macrophytes in oxbow lakes of the Krapina River, Croatia: differences related to plant species and limnological conditionsThis study investigated the structure of the epiphytic metazoans on emerged macrophytes in the littoral zone of two oxbow lakes with different trophic levels. Differences in the diversity and density of the epiphytic metazoans were analyzed in relation to plant architecture (simple or complex stems), food resources (algae and detritus) and water characteristics (transparency and derived trophic state index). A significant negative correlation
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Stuntz, Sabine, Christian Ziegler, Ulrich Simon, and Gerhard Zotz. "Diversity and structure of the arthropod fauna within three canopy epiphyte species in central Panama." Journal of Tropical Ecology 18, no. 2 (2002): 161–76. http://dx.doi.org/10.1017/s0266467402002110.

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The arthropod fauna inhabiting 90 individuals of three different species of epiphyte was investigated in the moist lowland forest of the Barro Colorado National Monument in Panama. In total, 3694 arthropods belonging to 89 morphospecies and 19 orders were collected. While arthropod abundance was primarily a function of host plant biomass irrespective of epiphyte species, there were pronounced differences in species richness, species composition and guild structure of the arthropod faunas of the three epiphyte species. Although all study plants were growing in close proximity on the same host t
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Wolf, Jan H. D., S. Robbert Gradstein, and Nalini M. Nadkarni. "A protocol for sampling vascular epiphyte richness and abundance." Journal of Tropical Ecology 25, no. 2 (2009): 107–21. http://dx.doi.org/10.1017/s0266467408005786.

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Abstract:The sampling of epiphytes is fraught with methodological difficulties. We present a protocol to sample and analyse vascular epiphyte richness and abundance in forests of different structure (SVERA). Epiphyte abundance is estimated as biomass by recording the number of plant components in a range of size cohorts. Epiphyte species biomass is estimated on 35 sample-trees, evenly distributed over six trunk diameter-size cohorts (10 trees with dbh &gt; 30 cm). Tree height, dbh and number of forks (diameter &gt; 5 cm) yield a dimensionless estimate of the size of the tree. Epiphyte dry weig
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Magalhães, José Leonardo Lima, and Maria Aparecida Lopes. "SPECIES RICHNESS AND ABUNDANCE OF LOW-TRUNK HERB EPIPHYTES IN RELATION TO HOST TREE SIZE AND BARK TYPE, EASTERN AMAZONIA." Revista Árvore 39, no. 3 (2015): 457–66. http://dx.doi.org/10.1590/0100-67622015000300006.

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ABSTRACTThe composition and structure of the low-trunk epiphytic herb assembly as well as its vertical distribution were studied. DBH of host tree and bark type influence species richness and abundance in a nonlooded lowland tropical rainforest in Eastern Amazonia (1º57’36"S 51º36’55"W). A total of 37 epiphytic herb species were identified, among which 60% were Araceae. Species richness and abundance of epiphytic herbs showed tendency of positive correlation with host tree size and no relationships with bark type. Low positive correlation may be a by-product of the predominance of trees with s
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Book chapters on the topic "EPIPHYTON SIZE STRUCTURE"

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Haber, William A. "Plants and Vegetation." In Monteverde. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195095609.003.0009.

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The vegetation at Monteverde is characterized by two features that are immediately noted by visitors. The first is the overwhelming abundance of mosses, epiphytes, and tree trunk climbers in the cloud forest. The second is the striking variety of vegetation types, and consequent very high regional plant biodiversity, cramped into a small area by the narrow elevational zonation of habitats along the upper mountain slopes. This luxuriance and diversity have been important factors in the attraction of biologists to Monteverde. Lawton and Dryer (1980) described the characteristics and distribution
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