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JOURNAL ARTICLE
Samantha J Worthy, María N Umaña, Caicai Zhang, Luxiang Lin, Min Cao, Nathan G Swenson
Ecologists have historically sought to identify the mechanisms underlying the maintenance of local species diversity. High-dimensional trait-based relationships, such as alternative phenotypes, have been hypothesized as important for maintaining species diversity such that phenotypically dissimilar individuals compete less for resources but have similar performance in a given environment. The presence of alternative phenotypes has primarily been investigated at the community level, despite the importance of intraspecific variation to diversity maintenance...
April 23, 2024: Oecologia
#2
JOURNAL ARTICLE
Calebe P Mendes, Wido R Albert, Zachary Amir, Marc Ancrenaz, Eric Ash, Badrul Azhar, Henry Bernard, Jedediah Brodie, Tom Bruce, Elliot Carr, Gopalasamy Reuben Clements, Glyn Davies, Nicolas J Deere, Yoan Dinata, Christl A Donnelly, Somphot Duangchantrasiri, Gabriella Fredriksson, Benoit Goossens, Alys Granados, Andrew Hearn, Jason Hon, Tom Hughes, Patrick Jansen, Kae Kawanishi, Margaret Kinnaird, Sharon Koh, Alice Latinne, Matthew Linkie, Federica Loi, Anthony J Lynam, Erik Meijaard, Jayasilan Mohd-Azlan, Jonathan H Moore, Senthilvel K S S Nathan, Dusit Ngoprasert, Wilson Novarino, Ilyas Nursamsi, Timothy O'Brien, Robert Ong, John Payne, Dolly Priatna, D Mark Rayan, Glen Reynolds, Rustam Rustam, Sasidhran Selvadurai, Amanda Shia, Muhammad Silmi, Pablo Sinovas, Kriangsak Sribuarod, Robert Steinmetz, Matthew J Struebig, Ronglarp Sukmasuang, Sunarto Sunarto, Tarmizi Tarmizi, Arjun Thapa, Carl Traeholt, Oliver R Wearn, Hariyo B Wibisono, Andreas Wilting, Seth Timothy Wong, Siew Te Wong, Jettie Word, Wen Xuan Chiok, Zainal Zahari Zainuddin, Matthew Scott Luskin
Information on tropical Asian vertebrates has traditionally been sparse, particularly when it comes to cryptic species inhabiting the dense forests of the region. Vertebrate populations are declining globally due to land-use change and hunting, the latter frequently referred as "defaunation." This is especially true in tropical Asia where there is extensive land-use change and high human densities. Robust monitoring requires that large volumes of vertebrate population data be made available for use by the scientific and applied communities...
April 22, 2024: Ecology
#3
JOURNAL ARTICLE
Bruno H Saranholi, Filipe M França, Alfried P Vogler, Jos Barlow, Fernando Z Vaz de Mello, Maria E Maldaner, Edrielly Carvalho, Carla C Gestich, Benjamin Howes, Cristina Banks-Leite, Pedro M Galetti
Over the past few years, insects have been used as samplers of vertebrate diversity by assessing the ingested-derived DNA (iDNA), and dung beetles have been shown to be a good mammal sampler given their broad feeding preference, wide distribution and easy sampling. Here, we tested and optimized the use of iDNA from dung beetles to assess the mammal community by evaluating if some biological and methodological aspects affect the use of dung beetles as mammal species samplers. We collected 403 dung beetles from 60 pitfall traps...
April 22, 2024: Molecular Ecology Resources
#4
JOURNAL ARTICLE
Miriam Reyes-Ortiz, Andrés Lira-Noriega, Luis Osorio-Olvera, Isolda Luna-Vega, Guadalupe Williams-Linera
PREMISE: Functional traits reflect species' responses to environmental variation and the breadth of their ecological niches. Fagus grandifolia and Oreomunnea mexicana have restricted distribution in upper montane cloud forests (1700-2000 m a.s.l.) in Mexico. These species were introduced into plantings at lower elevations (1200-1600 m a.s.l.) that have climates predicted for montane forests in 2050 and 2070. The aim was to relate morphological leaf traits to the ecological niche structure of each species...
April 19, 2024: American Journal of Botany
#5
JOURNAL ARTICLE
Marcelo Reginato, Carlos A Ordónez-Parra, João Vitor S Messeder, Vinicius L G Brito, Agnes Dellinger, Ricardo Kriebel, Camilla Marra, Lilian Melo, Tatiana Cornelissen, Lisieux Fuzessy, Patricia Sperotto, Manuela Calderón-Hernández, Tadeu J Guerra, Constantin Kopper, Carolina Mancipe-Murillo, Marco A Pizo, Juan Mauricio Posada-Herrera, Érica Hasui, Wesley R Silva, Fernando A O Silveira
The recent availability of open-access repositories of functional traits has revolutionized trait-based approaches in ecology and evolution. Nevertheless, the underrepresentation of tropical regions and lineages remains a pervasive bias in plant functional trait databases, which constrains large-scale assessments of plant ecology, evolution, and biogeography. Here, we present MelastomaTRAITs 1.0, a comprehensive and updatable database of functional traits for the pantropical Melastomataceae, the ninth-largest angiosperm family with 177 genera and more than 5800 species...
April 17, 2024: Ecology
#6
JOURNAL ARTICLE
Chaiwat Boonpeng, Marisa Pischom, Pawanrat Butrid, Sutatip Noikrad, Kansri Boonpragob
Ecophysiological studies of lichens in tropical Asia are rare, and additional studies can increase the understanding of lichen life in this region. The main aim of this study was to observe the relationships between water availability and photosynthetic parameters, as well as hydration trait parameters, in macrolichens during the rainy and dry seasons in a tropical forest. A total of 11 lichen species growing in a lower montane rainforest in Thailand were collected and studied. The results clearly showed that the specific thallus mass (STM), net photosynthetic rate (Pn), the potential quantum yield of primary photochemistry (Fv/Fm), chlorophyll content, and carotenoid content of almost all lichens were lower in the dry season than in the rainy season...
April 15, 2024: Journal of Plant Research
#7
JOURNAL ARTICLE
Sam Finnie, Philip Butterill, Vojtech Novotny, Conor Redmond, Leonardo Ré Jorge, Tomokazu Abe, Greg P A Lamarre, Vincent Maicher, Katerina Sam
Insect herbivores and their parasitoids play a crucial role in terrestrial trophic interactions in tropical forests. These interactions occur across the entire vertical gradient of the forest. This study compares how caterpillar communities, and their parasitism rates, vary across vertical strata and between caterpillar defensive strategies in a semi deciduous tropical forest in Nditam, Cameroon. Within a 0.1 ha plot, all trees with a diameter at breast height (DBH) ≥ 5 cm were felled and systematically searched for caterpillars...
April 13, 2024: Oecologia
#8
JOURNAL ARTICLE
Gbadamassi G O Dossa, Hong-Lin Li, Bo Pan, Tial C Ling, Douglas A Schaefer, Mareike Roeder, Denis M Njoroge, Juan Zuo, Liang Song, Bismark Ofosu-Bamfo, Stefan A Schnitzer, Rhett D Harrison, Frans Bongers, Jiao-Lin Zhang, Kun-Fang Cao, Jennifer S Powers, Ze-Xin Fan, Ya-Jun Chen, Richard T Corlett, Gerhard Zotz, Jacek Oleksyn, Tomasz P Wyka, Jean Evans Israel Codjia, Johannes H C Cornelissen
Climate change and other anthropogenic disturbances are increasing liana abundance and biomass in many tropical and subtropical forests. While the effects of living lianas on species diversity, ecosystem carbon, and nutrient dynamics are receiving increasing attention, the role of dead lianas in forest ecosystems has been little studied and is poorly understood. Trees and lianas coexist as the major woody components of forests worldwide, but they have very different ecological strategies, with lianas relying on trees for mechanical support...
April 2024: Global Change Biology
#9
(no author information available yet)
[This corrects the article DOI: 10.1002/ece3.11095.].
April 2024: Ecology and Evolution
#10
JOURNAL ARTICLE
Yazhou Zhang, Samantha J Worthy, Shijia Xu, Yunyun He, Xuezhao Wang, Xiaoyang Song, Min Cao, Jie Yang
Phytochemicals and their ecological significance are long ignored in trait-based ecology. Moreover, the adaptations of phytochemicals produced by fine roots to abiotic and biotic pressures are less understood. Here, we explored the fine roots metabolomes of 315 tree species and their rhizosphere microbiome in southwestern China spanning tropical, subtropical, and subalpine forest ecosystems, to explore phytochemical diversity and endemism patterns of various metabolic pathways and phytochemical-microorganism interactions...
March 31, 2024: Science of the Total Environment
#11
JOURNAL ARTICLE
Sarina Thiel, Malika Gottstein, Eckhard W Heymann, Jana Kroszewski, Narges Lieker, Ney Shahuano Tello, Marco Tschapka, Robert R Junker, Katrin Heer
PREMISE: Vertical stratification is a key feature of tropical forests and plant-frugivore interactions. However, it is unclear whether equally strong patterns of vertical stratification exist for plant-nectarivore interactions and, if so, which factors drive these patterns. Further, nectar-inhabiting bacteria, acting as "hidden players" in plant-nectarivore interactions, might be vertically stratified, either in response to differences among strata in microenvironmental conditions or to the nectarivore community serving as vectors...
March 2024: American Journal of Botany
#12
JOURNAL ARTICLE
Michael W Belitz, Asia Sawyer, Lillian K Hendrick, Akito Y Kawahara, Robert P Guralnick
Recent work has shown the decline of insect abundance, diversity and biomass, with potential implications for ecosystem services. These declines are especially pronounced in regions with high human activity, and urbanization is emerging as a significant contributing factor. However, the scale of these declines and the traits that determine variation in species-specific responses remain less well understood, especially in subtropical and tropical regions, where insect diversity is high and urban footprints are rapidly expanding...
March 2024: Global Change Biology
#13
JOURNAL ARTICLE
Natalia Villa-Rivera, Jeiner Castellanos-Barliza, Ariadna Mondragón-Botero, Willinton Barranco-Pérez
Functional traits can have intraspecific and interspecific variations essential in the structure and dynamics of natural communities. These traits may have implications in the germination and seedling establishment phases in seeds. The objective of this study was to evaluate the effect of variations in mass, volume, and nutrient content (C, N, and P) on the germination of eight species representative of the tropical dry forest (TDF). Our results showed that seed size, both in terms of mass and volume, did not predict germination rates or percentages, nor were they related to nutrient content...
March 22, 2024: Die Naturwissenschaften
#14
JOURNAL ARTICLE
David Matlaga, Roel Lammerant, J Aaron Hogan, María Uriarte, Celimar Rodriguez-Valle, Jess K Zimmerman, Robert Muscarella
Droughts are predicted to become more frequent and intense in many tropical regions, which may cause shifts in plant community composition. Especially in diverse tropical communities, understanding how traits mediate demographic responses to drought can help provide insight into the effects of climate change on these ecosystems. To understand tropical tree responses to reduced soil moisture, we grew seedlings of eight species across an experimental soil moisture gradient at the Luquillo Experimental Forest, Puerto Rico...
March 2024: Ecology and Evolution
#15
REVIEW
Ana Cláudia Pereira de Oliveira, Alice Nunes, Maria Alexandra Oliveira, Rafael S Oliveira, Renato Garcia Rodrigues, Cristina Branquinho
Increasing aridity associated with climate change may lead to the crossing of critical ecosystem thresholds in drylands, compromising ecosystem services for millions of people. In this context, finding tools to detect at early stages the effects of increasing aridity on ecosystems is extremely urgent to avoid irreversible damage. Here, we assess shifts in plant community functional structure along a spatial aridity gradient in tropical dryland (Brazilian Caatinga), to select the most appropriate plant functional groups as ecological indicators likely useful to predict temporal ecosystem trajectories in response to aridity...
March 12, 2024: Science of the Total Environment
#16
JOURNAL ARTICLE
Dong-Liu Huang, Wei Xiang, Hui Liu, Shi-Dan Zhu
Ferns are primitive vascular plants with diverse morphologies and structures. Plant anatomical traits and their linkages can reflect adaptation to the environment; however, these remain are still poorly understood in ferns. The main objective of this study was to explore whether there was structural coordination among and within organs in fern species. We measured 16 hydraulically related anatomical traits of pinnae, petioles, and roots of 24 representative fern species from the tropical and subtropical forest understory and analyzed trait correlation networks...
2024: Physiologia Plantarum
#17
JOURNAL ARTICLE
Lisieux Fuzessy, Sandrine Pavoine, Laura Cardador, Joan Maspons, Daniel Sol
Tropical species richness is threatened by habitat degradation associated with land-use conversion, yet the consequences for functional diversity remain little understood. Progress has been hindered by difficulties in obtaining comprehensive species-level trait information to characterize entire assemblages and insufficient appreciation that increasing land-cover heterogeneity potentially compensates for species loss. We examined the impacts of tropical deforestation associated with land-use heterogeneity on bird species richness, functional redundancy, functional diversity, and associated components (i...
March 13, 2024: Conservation Biology
#18
JOURNAL ARTICLE
David C Bartholomew, Robin Hayward, David F R P Burslem, Paulo R L Bittencourt, Daniel Chapman, Mohd Aminur Faiz Bin Suis, Reuben Nilus, Michael J O'Brien, Glen Reynolds, Lucy Rowland, Lindsay F Banin, Daisy Dent
Active restoration through silvicultural treatments (enrichment planting, cutting climbers and liberation thinning) is considered an important intervention in logged forests. However, its ability to enhance regeneration is key for long-term recovery of logged forests, which remains poorly understood, particularly for the production and survival of seedlings in subsequent generations. To understand the long-term impacts of logging and restoration we tracked the diversity, survival and traits of seedlings that germinated immediately after a mast fruiting in North Borneo in unlogged and logged forests 30-35 years after logging...
March 2024: Global Change Biology
#19
JOURNAL ARTICLE
Hui Yang, Siyuan Wang, Rackhun Son, Hoontaek Lee, Vitus Benson, Weijie Zhang, Yahai Zhang, Yuzhen Zhang, Jens Kattge, Gerhard Boenisch, Dmitry Schepaschenko, Zbigniew Karaszewski, Krzysztof Stereńczak, Álvaro Moreno-Martínez, Cristina Nabais, Philippe Birnbaum, Ghislain Vieilledent, Ulrich Weber, Nuno Carvalhais
Wood density is a fundamental property related to tree biomechanics and hydraulic function while playing a crucial role in assessing vegetation carbon stocks by linking volumetric retrieval and a mass estimate. This study provides a high-resolution map of the global distribution of tree wood density at the 0.01° (~1 km) spatial resolution, derived from four decision trees machine learning models using a global database of 28,822 tree-level wood density measurements. An ensemble of four top-performing models combined with eight cross-validation strategies shows great consistency, providing wood density patterns with pronounced spatial heterogeneity...
March 2024: Global Change Biology
#20
JOURNAL ARTICLE
Guangqi Zhang, Claire Fortunel, Shan Niu, Juan Zuo, Jean-Luc Maeght, Xiaodong Yang, Shangwen Xia, Zhun Mao
Vessel traits contribute to plant water transport from roots to leaves and thereby influence how plants respond to soil water availability, but the sources of variation in fine roots anatomical traits remain poorly understood. Here, we explore the variations of fine root vessel traits along topological orders within and across tropical tree species. Anatomical traits were measured along five root topological orders in 80 individual trees of 20 species from a tropical forest in southwestern China. We found large variations for most root anatomical traits across topological orders, but strong covariations between vessel traits...
March 1, 2024: Journal of Experimental Botany
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