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JOURNAL ARTICLE
William Gabriel Borges, Emanuel Rampanelli Cararo, Raquel de Brito, Amanda Ninov Pazini, Cássia Alves Lima-Rezende, Renan de Souza Rezende
Microplastics, pervasive pollutants in aquatic environments, have been primarily studied for their impact on marine ecosystems. However, their effects on freshwater systems, particularly in forested phytotelmata habitats, remain understudied in Subtropical systems. This research examines the influence of varying microplastic concentrations (0.0, 200, 2,000, 20,000, and 200,000 ppm) on leaf litter breakdown of Inga vera (in bags of 10 and 0.05 mm mesh) and the naturally associated invertebrate community occurring in forested phytotelmata...
April 12, 2024: Environmental Pollution
#2
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
#3
JOURNAL ARTICLE
Minqi Chen, Bigyan Neupane, Xuan Zhan, Ting Liu, Zhanyi Lin, Changjun Gao, Claudio Zaccone, Kunshan Bao
Mercury (Hg) is known to affect aquatic, terrestrial ecosystems as well as human health, through biomagnification. Mangrove wetlands are potential Hg sinks because of their low tidal velocity, fast sedimentation rate, strong reducing condition and high organic matter content. The spatial and temporal distribution of Hg has been a hot topic of recent studies in mangrove wetlands. In this study, we investigated Hg concentration, accumulation rate and isotopes to reconstruct the Hg pollution history and to differentiate its potential sources in the Gaoqiao mangrove wetland (Guangdong province), which is part of the largest mangrove area in China...
April 3, 2024: Environmental Research
#4
JOURNAL ARTICLE
P W Crous, E R Osieck, R G Shivas, Y P Tan, S L Bishop-Hurley, F Esteve-Raventós, E Larsson, J J Luangsa-Ard, F Pancorbo, S Balashov, I G Baseia, T Boekhout, S Chandranayaka, D A Cowan, R H S F Cruz, P Czachura, S De la Peña-Lastra, F Dovana, B Drury, J Fell, A Flakus, R Fotedar, Ž Jurjević, A Kolecka, J Mack, G Maggs-Kölling, S Mahadevakumar, A Mateos, S Mongkolsamrit, W Noisripoom, M Plaza, D P Overy, M Piątek, M Sandoval-Denis, J Vauras, M J Wingfield, S E Abell, A Ahmadpour, A Akulov, F Alavi, Z Alavi, A Altés, P Alvarado, G Anand, N Ashtekar, B Assyov, G Banc-Prandi, K D Barbosa, G G Barreto, J-M Bellanger, J L Bezerra, D J Bhat, P Bilański, T Bose, F Bozok, J Chaves, D H Costa-Rezende, C Danteswari, V Darmostuk, G Delgado, S Denman, A Eichmeier, J Etayo, G Eyssartier, S Faulwetter, K G G Ganga, Y Ghosta, J Goh, J S Góis, D Gramaje, L Granit, M Groenewald, G Gulden, L F P Gusmão, A Hammerbacher, Z Heidarian, N Hywel-Jones, R Jankowiak, M Kaliyaperumal, O Kaygusuz, K Kezo, A Khonsanit, S Kumar, C H Kuo, T Læssøe, K P D Latha, M Loizides, S M Luo, J G Maciá-Vicente, P Manimohan, P A S Marbach, P Marinho, T S Marney, G Marques, M P Martín, A N Miller, F Mondello, G Moreno, K T Mufeeda, H Y Mun, T Nau, T Nkomo, A Okrasińska, J P A F Oliveira, R L Oliveira, D A Ortiz, J Pawłowska, M À Pérez-De-Gregorio, A R Podile, A Portugal, N Privitera, K C Rajeshkumar, I Rauf, B Rian, A Rigueiro-Rodríguez, G F Rivas-Torres, P Rodriguez-Flakus, M Romero-Gordillo, I Saar, M Saba, C D Santos, P V S R N Sarma, J L Siquier, S Sleiman, M Spetik, K R Sridhar, M Stryjak-Bogacka, K Szczepańska, H Taşkın, D S Tennakoon, D Thanakitpipattana, J Trovão, I Türkekul, A L van Iperen, P van 't Hof, G Vasquez, C M Visagie, B D Wingfield, P T W Wong, W X Yang, M Yarar, O Yarden, N Yilmaz, N Zhang, Y N Zhu, J Z Groenewald
Novel species of fungi described in this study include those from various countries as follows: Australia , Aschersonia mackerrasiae on whitefly, Cladosporium corticola on bark of Melaleuca quinquenervia , Penicillium nudgee from soil under Melaleuca quinquenervia , Pseudocercospora blackwoodiae on leaf spot of Persoonia falcata , and Pseudocercospora dalyelliae on leaf spot of Senna alata . Bolivia , Aspicilia lutzoniana on fully submersed siliceous schist in high-mountain streams, and Niesslia parviseta on the lower part and apothecial discs of Erioderma barbellatum on a twig...
June 2023: Persoonia
#5
JOURNAL ARTICLE
Krishna Palit, Surajit Das
Cellulose degrading bacterial diversity of Bhitarkanika mangrove ecosystem, India, was uncovered and the cellulose degradation mechanism in Bacillus haynesii DS7010 under the modifiers such as pH (pCO2 ), salinity and lead (Pb) was elucidated in the present study. The abundance of cellulose degrading heterotrophic bacteria was found to be higher in mangrove sediment than in water. The most potential strain, B. haynesii DS7010 showed the presence of endoglucanase, exoglucanase and β-glucosidase with the maximum degradation recorded at 48 h of incubation, with 1% substrate concentration at 41 °C incubation temperature...
March 27, 2024: Environmental Research
#6
JOURNAL ARTICLE
Na Eun Choi, Yun Kyung Lee, Haeseong Oh, Jin Hur
Recent studies have increasingly focused on the occurrence of plastic leachate and its impacts on aquatic ecosystems. Nonetheless, the environmental fate of this leachate in the presence of abundant natural organic matter (NOM)-a typical scenario in environments contaminated with plastics-remains underexplored. This study investigates the photo-induced leaching behaviors of dissolved organic matter (DOM) from terrestrial-sourced particles (forest soil and leaf litter) and microplastics (MPs), specifically polystyrene (PS) and polyvinyl chloride (PVC), over a two-week period...
March 27, 2024: Chemosphere
#7
JOURNAL ARTICLE
Bas Boots, Dannielle S Green, Amy C M Wright, Brigitta Olah-Kovacs, Louise Tovey
Once littered, disposable e-cigarettes present a complex type of waste in the environment. They typically contain a lithium battery, electronics to produce vapour and remnant e-liquid, all of which could leach into the environment. The effects of littered e-cigarettes are not well understood, and they have not been tested in terrestrial ecosystems. To address this, an experiment was set up to assess how leachate from e-cigarettes with or without a battery, but also e-liquid on its own can alter fundamental physical characteristics of Lolium perenne (perennial ryegrass) when irrigated with contaminated water...
March 26, 2024: Environmental Pollution
#8
JOURNAL ARTICLE
Brian M Ohsowski, Cassidy Redding, Pamela Geddes, Shane C Lishawa
Two species of clonal Typha [ T. latifolia (native) and T. angustifolia (exotic)] hybridize to form the highly invasive, heterotic (high vigor) T. × glauca in North American wetlands leading to increased primary production, litter accumulation, and biodiversity loss. Conservation of T. latifolia has become critical as invasive Typha has overwhelmed wetlands. In the field, Typha taxa identification is difficult due to subtle differences in morphology, and molecular identification is often unfeasible for managers...
2024: Frontiers in Plant Science
#9
JOURNAL ARTICLE
Karoline H Madureira, Verónica Ferreira, Marcos Callisto
Urban streams are affected by a complex combination of stressors, which modify physical habitat structure, flow regime, water quality, biological community composition, and ecosystem processes and services, thereby altering ecosystem structure and functioning. Rehabilitation projects have been undertaken in several countries to rehabilitate urban streams. However, stream rehabilitation is still rarely reported for neotropical regions. In addition, most studies focus on structural aspects, such as water quality, sediment control, and flood events, without considering ecosystem function indicators...
March 23, 2024: Science of the Total Environment
#10
JOURNAL ARTICLE
Yue Ren, Guang-Lei Gao, Guo-Dong Ding, Ying Zhang, Pei-Shan Zhao
Ecological stoichiometry is an important approach to understand plant nutrient cycling and balance in the forest ecosystem. However, understanding of stoichiometric patterns through the leaf-litter-soil system of Mongolian pine among different stand origins is still scarce. Therefore, to reveal the variations in Mongolian pine carbon (C), nitrogen (N), and phosphorus (P) stoichiometry and stoichiometric homeostasis among different stand origins, we measured C, N, and P concentrations of leaves, litter, and soil, and analyzed the nutrient resorption efficiencies of leaves in differently aged plantations and natural forests from semi-arid and dry sub-humid regions...
March 2024: Ecology and Evolution
#11
JOURNAL ARTICLE
Ao Ma, Jia-Jun Hu, Yue-Qu Chen, Xin Wang, Yong-Lan Tuo, Lei Yue, Xue-Fei Li, Dan Dai, Yun-Hui Wei, Bo Zhang, Yu Li
The Calocybe species possess notable economic and medicinal value, demonstrating substantial potential for resource utilization. The taxonomic studies of Calocybe are lacking in quality and depth. Based on the specimens collected from northeast China, this study provides a detailed description of two newly discovered species, namely Calocybebetulicola and Calocybecystidiosa , as well as two commonly found species, Calocybedecolorata and Calocybeionides . Additionally, a previously unrecorded species, C.decolorata , has recently been discovered in Jilin Province, China...
2024: MycoKeys
#12
JOURNAL ARTICLE
Kristin Barbour, Jennifer B H Martiny
Microbial communities are not the easiest to manipulate experimentally in natural ecosystems. However, leaf litter - topmost layer of surface soil - is uniquely suitable to investigate the complexities of community assembly. Here, we reflect on over a decade of collaborative work to address this topic using leaf litter as a model system in southern California ecosystems. By leveraging a number of methodological advantages of the system, we have worked to demonstrate how four processes - selection, dispersal, drift, and diversification - contribute to bacterial and fungal community assembly and ultimately, impact community functioning...
March 20, 2024: ISME Journal
#13
JOURNAL ARTICLE
Junwei Luan, Siyu Li, Shirong Liu, Yi Wang, Liping Ding, Haibo Lu, Lin Chen, Junhui Zhang, Wenjun Zhou, Shijie Han, Yiping Zhang, Stephan Hättenschwiler
Multiple facets of global change affect the earth system interactively, with complex consequences for ecosystem functioning and stability. Simultaneous climate and biodiversity change are of particular concern, because biodiversity may contribute to ecosystem resistance and resilience and may mitigate climate change impacts. Yet, the extent and generality of how climate and biodiversity change interact remain insufficiently understood, especially for the decomposition of organic matter, a major determinant of the biosphere-atmosphere carbon feedbacks...
March 26, 2024: Proceedings of the National Academy of Sciences of the United States of America
#14
JOURNAL ARTICLE
Cecilia A L Dahlsjö, Thomas Atkins, Yadvinder Malhi
Leaf litter decomposition is a major component of nutrient cycling which depends on the quality and quantity of the leaf material. Ash trees ( Fraxinus excelsior , decay time ∼ 0.4 years) are declining throughout Europe due to a fungal pathogen ( Hymenoscyphus fraxineus ), which is likely to alter biochemical cycling across the continent. The ecological impact of losing species with fast decomposing leaves is not well quantified. In this study we examine how decomposition of three leaf species with varying decomposition rates including ash, sycamore ( Acer pseudoplatanus, decay time ∼ 1...
March 15, 2024: Heliyon
#15
JOURNAL ARTICLE
Eva F Leifheit, Tessa Camenzind, Anika Lehmann, Diana R Andrade-Linares, Max Fussan, Sophia Westhusen, Till M Wineberger, Matthias C Rillig
Litter decomposition is a key ecosystem process, relevant for the release and storage of nutrients and carbon in soil. Soil fungi are one of the dominant drivers of organic matter decomposition, but fungal taxa differ substantially in their functional ability to decompose plant litter. Knowledge is mostly based on observational data and subsequent molecular analyses and in vitro studies have been limited to forest ecosystems. In order to better understand functional traits of saprotrophic soil fungi in grassland ecosystems, we isolated 31 fungi from a natural grassland and performed several in vitro studies testing for i) leaf and wood litter decomposition, ii) the ability to use carbon sources of differing complexity, iii) the enzyme repertoire...
March 14, 2024: FEMS Microbiology Ecology
#16
JOURNAL ARTICLE
Matthew T Hamer, Clive R Turner
The ant genus Strumigenys is a hyper diverse pantropical group of specialised predatory leaf litter dwelling ants. Species richness peaks within tropics, with few species extending into the West Palaearctic realm. A significant proportion of Strumigenys species known from the West Palaearctic are non-native, spread via human commerce, and predominately establishing populations within artificially heated greenhouses. In Britain, two Strumigenys species were previously known, S. rogeri Emery, 1890 and S. perplexa (Smith, 1876)...
February 23, 2024: Zootaxa
#17
JOURNAL ARTICLE
Théo Marchand, Benjamin Pey, Corinne Pautot, Antoine Lecerf
In ecosystems, the rates of resource consumption by animals drive the flows of matter and energy. Consumption rates are known to vary according to consumer energy requirements, resource nutrient content and mechanical properties. The aim of our study is to determine how mechanical constraints, compared to energetic and nutritional constraints, explain the variation in leaf litter consumption rates by macrodetritivores. In particular, we focus on the impact of litter toughness. To this end, we propose a non-linear model describing leaf litter consumption rates of detritivore as a function of litter toughness...
March 12, 2024: Oecologia
#18
JOURNAL ARTICLE
Jieqiong Su, Qiaohong Zeng, Shuqi Li, Rui Wang, Yahu Hu
Soil remediation can be achieved through organic and synthetic amendments, but the differences in the phytomanagement of trace metal-contaminated land are unclear. We conducted an outdoor microcosm experiment to simulate the effects of organic amendment citric acid and synthetic amendments EDTA and EGTA on poplar phytomanagement of copper (Cu)- and lead (Pb)-contaminated calcareous land at doses of 0, 1, 3, and 9 mmol kg-1 . We found that soil-bioavailable Cu and Pb contents increased by 2.11-27.27 and 1...
March 11, 2024: Journal of Environmental Management
#19
JOURNAL ARTICLE
Peter Contos, Nicholas P Murphy, Zachary J Kayll, Tamara Morgan, Joshua J Vido, Orsi Decker, Heloise Gibb
Habitat degradation and associated reductions in ecosystem functions can be reversed by reintroducing or 'rewilding' keystone species. Rewilding projects have historically targeted restoration of processes such as grazing regimes or top-down predation effects. Few projects focus on restoring decomposition efficiency, despite the pivotal role decomposition plays in global carbon sequestration and nutrient cycling. Here, we tested whether rewilding entire communities of detritivorous invertebrates and fungi can improve litter decomposition efficiency and restore detritivore communities during ecological restoration...
March 2024: Ecology and Evolution
#20
JOURNAL ARTICLE
Sajida Saqira, Anthony Chariton, Grant C Hose
Freshwater ecosystems are affected by various stressors, such as contamination and exotic species, making them amongst the most imperilled biological systems on the planet. In Australia and elsewhere, copper is one of the most common metal contaminants in freshwater systems and the European carp (Cyprinus carpio L.) is one of the most pervasive and widespread invasive fish species. Copper (Cu) and carp can both directly affect primary production and decomposition, which are critical and interrelated nutrient cycling processes and ecosystem services...
March 9, 2024: Environmental Pollution
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