Wood species identity alters dominant factors driving fine wood decomposition along a tree diversity gradient in subtropical plantation forests

Biotropica ◽  
2021 ◽  
Author(s):  
Donghao Wu ◽  
Katherina A. Pietsch ◽  
Michael Staab ◽  
Mingjian Yu
Keyword(s):  
Wood Species ◽  
Tree Diversity ◽  
Wood Decomposition ◽  
Species Identity ◽  
Plantation Forests ◽  
Diversity Gradient ◽  
Fine Wood

scholarly journals Interactions between Fine Wood Decomposition and Flammability

Forests ◽  
2014 ◽  
Vol 5 (4) ◽  
pp. 827-846 ◽  
Author(s):  
Weiwei Zhao ◽  
Luke Blauw ◽  
Richard van Logtestijn ◽  
William Cornwell ◽  
Johannes Cornelissen
Keyword(s):  
Wood Decomposition ◽  
Fine Wood

Disentangling tree species identity and richness effects on the herb layer: first results from a German tree diversity experiment

2015 ◽  
Vol 26 (4) ◽  
pp. 742-755 ◽  
Author(s):  
Evy Ampoorter ◽  
Lander Baeten ◽  
Margot Vanhellemont ◽  
Helge Bruelheide ◽  
Michael Scherer-Lorenzen ◽  
...  
Keyword(s):  
Tree Species ◽  
Tree Diversity ◽  
Herb Layer ◽  
Species Identity ◽  
First Results

scholarly journals The Influence of Tree Diversity on Natural Enemies—a Review of the “Enemies” Hypothesis in Forests

2020 ◽  
Vol 6 (4) ◽  
pp. 243-259 ◽  
Author(s):  
Michael Staab ◽  
Andreas Schuldt
Keyword(s):  
Species Richness ◽  
Natural Enemies ◽  
Natural Enemy ◽  
Tree Species ◽  
Tree Diversity ◽  
Pest Species ◽  
Top Down ◽  
Species Identity ◽  
Enemies Hypothesis ◽  
Functional And Phylogenetic Diversity

Abstract Purpose of Review Natural enemies are an important component for forest functioning. By consuming herbivores, they can be effective top-down regulators of potential pest species. Tree mixtures are generally expected to have larger predator and parasitoid populations compared to monocultures. This assumption is based on the “enemies” hypothesis, a classical ecological concept predicting a positive relationship between plant diversity (and complexity) and natural enemies, which, in turn, should increase top-down control in more diverse environments. However, the “enemies” hypothesis has mostly been tested and supported in relatively simple agricultural ecosystems. Until recently, research in forests was sparse. We summarize the upcoming knowledge-base for forests and identify forest characteristics likely shaping relationships between tree diversity, natural enemies (abundance, species richness, diversity), and top-down control. We further identify possible implications for mixed species forestry and key knowledge gaps. Recent Findings Tree diversity (almost exclusively quantified as tree species richness) does not consistently increase enemy abundance, diversity, or result in herbivore control. Tests of the “enemies” hypothesis are largely based on aboveground natural enemies (mainly generalists) and have highly variable outcomes across taxa and study systems, sometimes even finding a decrease in predator diversity with increasing tree diversity. Recurrent effects of tree species identity and composition indicate that a closer focus on tree functional and phylogenetic diversity might help to foster a mechanistic understanding of the specific circumstances under which tree diversity can promote top-down control. Summary Our review suggests that the “enemies” hypothesis may not unambiguously apply to forests. With trees as structurally complex organisms, even low-diversity forests can maintain a high degree of habitat heterogeneity and may provide niches for many predator and parasitoid species, possibly blurring correlations between tree and natural enemy diversity. Several further factors, such as latitude, identity effects, intraguild predation, or functional and phylogenetic components of biodiversity, may confound the predictions of the “enemies” hypothesis. We identify topics needing more research to fully understand under which conditions tree diversity increases natural enemy diversity and top-down control—knowledge that will be crucial for forest management.

Spatiotemporal changes of beetle communities across a tree diversity gradient

2009 ◽  
Vol 15 (4) ◽  
pp. 660-670 ◽  
Author(s):  
Stephanie Sobek ◽  
Ingolf Steffan-Dewenter ◽  
Christoph Scherber ◽  
Teja Tscharntke
Keyword(s):  
Tree Diversity ◽  
Diversity Gradient ◽  
Spatiotemporal Changes

scholarly journals Disentangling the Relationship between Tree Biomass Yield and Tree Diversity in Mediterranean Mixed Forests

2021 ◽  
Author(s):  
Felipe Bravo ◽  
Ana Martin Ariza ◽  
Narangarav Dugarsuren ◽  
Cristóbal Ordóñez
Keyword(s):  
Ecosystem Services ◽  
Biomass Yield ◽  
Structural Diversity ◽  
Diversity Indices ◽  
Pinus Nigra ◽  
Tree Diversity ◽  
Tree Age ◽  
Tree Biomass ◽  
Species Identity ◽  
As Species

Tree biomass and diversity relationship in mixed forest impacts on forest ecosystem services provisions. Tree biomass yield is driven by several aspects such as species identity, site condition, stand density, tree age as well as tree diversity expressed as species mingling and structural diversity. By comparing diverse degrees of tree mixture in natural forests we can insight on the ecosystem services provision level and dynamic. Two monitoring sites in the Castilian Northern Plateau (Spain) have been analyzed to disentangle the relationships between biodiversity levels and tree biomass yield. Two permanent one ha squared plots were established at Llano de San Marugan and Valdepoza. In each plot all individual trees were measured (diameter and height), georeferenced and its species identity defined. Tree species in the two sites were Pinus sylvestris, Pinus nigra, Pinus pinea, Quercus pyrenaica, Quercus ilex, Quercus faginea and Juniperus thurifera. From these datasets ten diversity indices that fall in three categories (species richness indices, species compositional/mingling indices and vertical structural indices) were used as predictor variables to fit several candidate models. By merging the trees by site (without considering the species identity) selected models include individual tree basal area as explanatory variable combining by addition or interaction with diversity indices. When species are analyzed independently structural diversity impacts on biomass yield in combination (additive or multiplicative) with tree size is negative Pinus nigra and positive for the other species.

scholarly journals Sapling herbivory, invertebrate herbivores and predators across a natural tree diversity gradient in Germany’s largest connected deciduous forest

Oecologia ◽  
2009 ◽  
Vol 160 (2) ◽  
pp. 279-288 ◽  
Author(s):  
Stephanie Sobek ◽  
Christoph Scherber ◽  
Ingolf Steffan-Dewenter ◽  
Teja Tscharntke
Keyword(s):  
Deciduous Forest ◽  
Tree Diversity ◽  
Diversity Gradient ◽  
Invertebrate Herbivores

Species richness and functional-trait effects on fine root biomass along a subtropical tree diversity gradient

2019 ◽  
Vol 446 (1-2) ◽  
pp. 515-527 ◽  
Author(s):  
Weixian Zeng ◽  
Wenhua Xiang ◽  
Jiangping Fang ◽  
Bo Zhou ◽  
Shuai Ouyang ◽  
...  
Keyword(s):  
Species Richness ◽  
Root Biomass ◽  
Fine Root ◽  
Functional Trait ◽  
Fine Root Biomass ◽  
Tree Diversity ◽  
Diversity Gradient

scholarly journals Distinct effects of host and neighbour tree identity on arbuscular and ectomycorrhizal fungi along a tree diversity gradient

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Olga Ferlian ◽  
Kezia Goldmann ◽  
Nico Eisenhauer ◽  
Mika T. Tarkka ◽  
François Buscot ◽  
...  
Keyword(s):  
Ectomycorrhizal Fungi ◽  
Tree Diversity ◽  
Diversity Gradient ◽  
Tree Identity

scholarly journals Tree diversity and species identity effects on soil fungi, protists and animals are context dependent

2015 ◽  
Vol 10 (2) ◽  
pp. 346-362 ◽  
Author(s):  
Leho Tedersoo ◽  
Mohammad Bahram ◽  
Tomáš Cajthaml ◽  
Sergei Põlme ◽  
Indrek Hiiesalu ◽  
...  
Keyword(s):  
Soil Fungi ◽  
Tree Diversity ◽  
Species Identity ◽  
Context Dependent
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