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46 results for “Lichen epiphyte”
Figure 2 in Epiphytic Bryophyte And Lichen Communities In Relation To Tree And Forest Stand Variables In Populus Tremula Forests Of South-East Latvia
Figure 2. Epiphytic bryophyte and lichen species in the studied territories. Tade Micr – Microreserve in Tadenava, Augs land – Augšzeme Protected Landscape Area, Star Rese – Starinas mežs Nature Reserve. Signal species include all WKH indicator species and red-listed species.
Figure 1. Studied territories. 1 in Epiphytic Bryophyte And Lichen Communities In Relation To Tree And Forest Stand Variables In Populus Tremula Forests Of South-East Latvia
Figure 1. Studied territories. 1 – Microreserve in Tadenava, 2– Augšzeme Protected Landscape Area, 3 – Starinas mežs Nature Reserve.
Figure 1 in Epiphytic Lichens In Latvian Manor Parks
Figure 1. Studied manor parks: 1 – Kr'slava manor park; 2 – Balvi manor park; 3 – VarakÔ'ni manor park; 4 – PreiÔi manor park; 5 – Litene manor park; 6 – Lizums manor park; 7 – JercÁnmui˛a manor park; 8 – Ungurmui˛a manor park; 9 – Krimulda manor park; 10 – StaÔÏene manor park; 11 – Lielvircava manor park; 12 – Mazme˛otne manor park; 13 – ZaÔenieki manor park; 14 – Apgunste manor park; 15 – Vadakste manor park; 16 – Smuku manor park; 17 – KalnsÁtas manor park; 18 – La˛asPadures manor park; 19 – DzÁrves manor park; 20 – L˚znava manor park.
Fig. 1 in Epiphytic lichens of woodland habitats in the lower Ticino river valley and in the "Bosco Siro Negri" Integral Nature State Reserve (NW Italy)
Fig. 1 - The study area, corresponding to the lower Ticino River valley. The "Bosco Siro Negri" Integral Nature State Reserve is indicated with a black star, the 15 well-preserved woodlands with white stars, the 15 degraded woodlands with white triangles and the 15 poplar plantations with white circles. Patches of vegetation attributed to Habitat 91F0 are highlighted with a vertical line pattern. / L'area di studio, corrispondente alla bassa valle del Ticino. La Riserva Naturale Integrale Statale "Bosco Siro Negri" è indicata con una stella nera, i 15 boschi ben conservati con stelle bianche, i 15 boschi degradati con triangoli bianchi e i 15 pioppeti con cerchi bianchi. Le aree con vegetazione attribuita all'Habitat 91F0 sono evidenziate con una trama a linee verticali.
FIG. 7 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 7. — The beta diversity indicated significant lichen species replacement on larger trees in the interiors of the FFs surrounded by meadows (A). In contrast, lichen species replacement was significant on thinner trees from the exteriors of the FFs surrounded by meadows (B).
FIG. 6 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 6. — The gamma diversity indicated that the highest number of lichen species was recorded on larger trees in the interiors of the FFs surrounded by meadows (legend is as in Fig. 2).
FIG. 3 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 3. — The significant effect of host tree species (A) and shrub cover (B) on lichen species abundance according to a summary of the GLMMs. The GLMM results are presented for the interior forest at the tree level within FFs surrounded by meadows, taking into account the larger tree category (trees that range in circumference between 0.56 and 2.97).
FIG. 5 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 5. — The significant effect of tree circumference on the number of lichen species according to the summary of the GLMMs. The GLMM results are presented at the tree level within FFs surrounded by crops, taking into account the larger tree category (details as in Fig. 2).
FIG. 2 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 2. — The significant effects of: A, B, moss coverage; C, D, tree circumference; and E, F, host tree species on lichen abundance according to a summary of the GLMMs. The values of the estimator (E), standard error (SE), and Wald chi-squared test (chisq), the degrees of freedom (dfs) and significance (p) are presented. The GLMM results are presented for the larger tree category (trees that range in circumference between 0.56 and 2.97) at the tree and forest levels at the exteriors of the FFs surrounded by crops.
FIG. 1 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 1. — The location of the study area within the Poitou-Charentes region (western France). Source: Google Earth Pro V 7.3.2.5776. (14 December 2015). France. 45°21'34.14"N, 0°12'32.38"W, Eye alt 340.93 km. SIO, NOAA, U.S. Navy, NGA, GEBCO. US Dept of State Geographer. Landsat/Copernicus 2018. http://www. earth.google.com (13 February 2019).
Epiphytic lichen surveys on 12 valleywide plots in Hubbard Brook 2016
Using the USFS FIA lichen indicator protocol we inventoried 12 valleywide plots of mixed broadleaf and conifer tree composition over an elevation gradient to examine patterns of lichen abundance and diversity in the valley and their possible correspondence to air pollution indices and landscape variables. The surveys were conducted as part of an NSF funded LTER REU project by Aílis Clyne in 2016. Voucher specimens from this study were deposited at the Cornell Plant Pathology Herbarium (CUP) and the results published in the Journal of the Torrey Botanical Society. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station. An analysis of these data can be found in: Natalie L. Cleavitt, Ailís B. Clyne, Timothy J. Fahey "Epiphytic macrolichen patterns along an elevation gradient in the White Mountain National Forest, New Hampshire," The Journal of the Torrey Botanical Society, 146(1), 8-17, (21 January 2019)
Vertical distribution of epiphytic lichens on Quercus laurina Humb. & Bonpl. in a remnant of cloud forest in the state of Veracruz, México
<p>It is considered that in the tropics, lichen richness and cover tend to increase from the trunk base to the top of the crown of trees. In this study we calculate total beta diversity of the lichen community along a vertical gradient on Quercus laurina. By comparing the richness and cover of the lichens by zone, we will be able to prove that the foliose and fruticose forms will be the minor component of the total lichen species richness; but with the highest cover with respect to the crustose lichens. Five zones were identified in each phorophyte (n=15) with a diameter at breast height > 40 cm. A total of 92 species were identified, of these, 38% were found only in a single zone, 51% were shared between the different zones, 11% occurred across all zones. Species richness and cover increased from the lowest to the highest zones of phorophytes. Dissimilarity in species composition between the zones, can be explained by species replacement. The Indicator Species Analysis revealed that only a few species such as Hypotrachyna vexans, H. cf. sublaevigata and Ramalina cf. sinaloensis preferred a particular zone. The results obtained to date show that the lichen community associated with Quercus laurina phorophytes is highly diverse. There is a high replacement of species across the different zones. Our results suggest that species richness and cover of the corticolous lichen community are related to the zone and the diverse growth forms.</p>
Figure 2 in Epiphytic Lichens In Latvian Manor Parks
Figure 2. Total number of lichen taxa by growth forms.
Fig. 1 in Epiphytic Lichen Diversity In Broad-Leaved Tree Forests In Latvia
Fig. 1. Location of studied forest stands.
Epiphytic bryophyte and lichen transplant dataset, Oregon, USA
<p>This dataset consist of epiphytic bryophyte and lichen transplants, which were transplanted along elevation gradient in Oregon, USA in 2010. The data is part of the publication: "Epiphytic bryophyte and lichen transplant niches in changed environments along an elevational gradient in Pacific Northwest conifer forests". The data were collected with a financial support of Fulbright Scholar programme 2009/2010 and processed with a financial support of postdoctoral grant “Epiphyte metapopulation dynamics in boreo-nemoral forest landscape” (Nr. 1.1.1.2/VIAA/3/19/469).</p>
Vertical distribution of epiphytic lichens on Quercus laurina Humb. & Bonpl. in a remnant of cloud forest in the state of Veracruz, México
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Retention forestry can maintain epiphytic lichens on living pine trees, but provides impoverished habitat for deadwood-associated lichens
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Co-sampled fruticose and foliose epiphytic lichens as spatial biomonitors of airborne mercury and arsenic in a historical "Gold Rush" mining district
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Data on epiphytic lichens along elevational gradients in South Tyrol, Italy
<p>1. Several studies have evaluated lichen responses in terms of shifts in species climate suitability, species richness, and community composition. In contrast, patterns of co-occurrence among species that could be related to complex species interactions have received less consideration. Biotic interactions play a major role in shaping species niches, fitness, and adaptation to new environments. Therefore, considering the specific relationships among co-occurring species is essential to further deepen our knowledge of biodiversity response to climate change. In this perspective, the analysis of lichen ecological networks across elevational gradients may provide a powerful tool to understand how communities are structured and how biotic interactions are modulated by changing climatic conditions.</p> <p>2. We evaluated the contribution of environmental and species biological attributes to the structure of epiphytic lichen-host tree networks. Specifically, we studied lichen communities considering two different network levels: the whole lichen community, and groups of lichen species that presented similar biological traits. In this framework, we (1) characterized the structure of the epiphytic lichen-host tree networks; (2) assessed how network structure varied with climate, forest attributes, and community trait diversity; and (3) evaluated the role that biological traits played in the connections established between co-occurring lichens.</p> <p>3. On one hand, results indicate that epiphytic lichen communities are dominated by local segregation, suggesting habitat specialization among lichens within their host tree, and that climatic conditions and, to a lesser extent, lichen diversity are the main drivers of community assemblage. On the other hand, the role of lichen species in the networks depends on their particular biological traits, supporting the hypothesis that biological traits contribute to shape network structure by influencing the ability of the species to interact between each other. These findings warn about the potential impact of climate change on epiphytic lichen communities.</p> <p>4.<i> Synthesis. </i>This study builds towards a better understanding of lichen community assembly and on biodiversity response to climate change in forest alpine ecosystems. In particular, our results highlight the value of lichen-tree networks to inform about assemblage processes acting at different organizational levels and indicate that lichens might become one of the most threatened groups under global change scenarios.</p>
Data from: Extensive yellow crusts below limestone overhangs: a new taxon close to a minute epiphytic lichen
A conspicuous yellow crust forming extensive covers on some dry and shaded limestone rocks in Europe is described here as Caloplaca substerilis subsp. orbicularis M. Haji Moniri, Vondrák & Malíček subsp. nov. Based on nuITS rDNA, 28S nuLSU rDNA and mtSSU rDNA sequence data, the new taxon is closely related to Caloplaca sterilis and C. ulcerosa. The three taxa form a supported clade in the subfamily Xanthorioideae (Teloschistaceae), but none of the recent genera are suitable for them. In the ITS phylogeny, the new taxon forms a monophylum nested within C. substerilis. Its extensive yellow thalli and absence of vegetative diaspores clearly distinguish it from Caloplaca substerilis (subsp. substerilis). Indeed, if it had not been for the molecular evidence, we would have described it at the rank of species. We suggest that the substrate switch and accompanying processes are responsible for the striking phenotype difference between Caloplaca substerilis subsp. substerilis and C. substerilis subsp. orbicularis.
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