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JOURNAL ARTICLE
Zhiwen Dou, Yinghong Sun, Yahui Zhang, Mingxia Wang, Ning Zhang, Aiju Liu, Xinxin Hu
Bacteria-driven strategies have gained attention because of their effectiveness, viability, and cost-efficiency in the soil formation process of bauxite residues. However, further investigation is needed to enhance the extreme environment of bauxite residues and facilitate long-term sustainable development of bacteria. Here, soil, phosphogypsum, and leaf litter were selected as amendments, and soil and leaf litter were also used as bacterial inoculants in a 12-month microcosm experiment with bauxite residues...
April 26, 2024: Journal of Hazardous Materials
#2
JOURNAL ARTICLE
V Mangal, W Y Lam, E J S Emilson, R W Mackereth, C P J Mitchell
Small headwater streams can mobilize large amounts of terrestrially derived dissolved organic matter (DOM). While the molecular composition of DOM has important controls on biogeochemical cycles and carbon cycling, how stationary landscape metrics affect DOM composition is poorly understood, particularly in relation to non-stationary effects from hydrological changes across seasons. Here, we apply a combination of Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) and absorbance spectroscopy to characterize stream DOM from 13 diverse watersheds across the central Canadian boreal forests and statistically relate DOM compositional characteristics to landscape topography and hydrological metrics...
May 1, 2024: Environmental Science. Processes & Impacts
#3
JOURNAL ARTICLE
Jian Li, Ming-Kang Jin, Lijie Huang, Zhan-Feng Liu, Tao Wang, Rui-Ying Chang, Michiel Op de Beeck, Hans Lambers, Dafeng Hui, Ke-Qing Xiao, Qing-Lin Chen, Jordi Sardans, Josep Peñuelas, Xiao-Ru Yang, Yong-Guan Zhu
The phyllosphere, particularly the leaf surface of plants, harbors a diverse range of microbiomes that play a vital role in the functioning of terrestrial ecosystems. However, our understanding of microbial successions and their impact on functional genes during plant community development is limited. In this study, considering core and satellite microbial taxa, we characterized the phyllosphere microbiome and functional genes in various microhabitats (i.e., leaf litter, moss and plant leaves) across the succession of a plant community in a low-altitude glacier foreland...
April 24, 2024: Environment International
#4
JOURNAL ARTICLE
Min Shen, Limeng Wu, Yanzhou Zhang, Ruiqiang You, Jiaxin Xiao, Yijun Kang
Cynanchum auriculatum Royle ex Wight (CA) is experiencing challenges with continuous cropping obstacle (CCO) due to soil-borne fungal pathogens. The leaf litter from CA is regularly incorporated into the soil after root harvesting, but the impact of this practice on pathogen outbreaks remains uncertain. In this study, a fungal strain D1, identified as Fusarium solani, was isolated and confirmed as a potential factor in CCO. Both leave extract (LE) and root extract (RE) were found to inhibit seed germination and the activities of plant defense-related enzymes...
April 29, 2024: FEMS Microbiology Ecology
#5
JOURNAL ARTICLE
P W Crous, M M Costa, H Kandemir, M Vermaas, D Vu, L Zhao, E Arumugam, A Flakus, Ž Jurjević, M Kaliyaperumal, S Mahadevakumar, R Murugadoss, R G Shivas, Y P Tan, M J Wingfield, S E Abell, T S Marney, C Danteswari, V Darmostuk, C M Denchev, T T Denchev, J Etayo, J Gené, S Gunaseelan, V Hubka, T Illescas, G M Jansen, K Kezo, S Kumar, E Larsson, K T Mufeeda, M Piątek, P Rodriguez-Flakus, P V S R N Sarma, M Stryjak-Bogacka, D Torres-Garcia, J Vauras, D A Acal, A Akulov, K Alhudaib, M Asif, S Balashov, H-O Baral, A Baturo-Cieśniewska, D Begerow, A Beja-Pereira, M V Bianchinotti, P Bilański, S Chandranayaka, N Chellappan, D A Cowan, F A Custódio, P Czachura, G Delgado, N I De Silva, J Dijksterhuis, M Dueñas, P Eisvand, V Fachada, J Fournier, Y Fritsche, F Fuljer, K G G Ganga, M P Guerra, K Hansen, N Hywel-Jones, A M Ismail, C R Jacobs, R Jankowiak, A Karich, M Kemler, K Kisło, W Klofac, I Krisai-Greilhuber, K P D Latha, R Lebeuf, M E Lopes, S Lumyong, J G Maciá-Vicente, G Maggs-Kölling, D Magistà, P Manimohan, M P Martín, E Mazur, M Mehrabi-Koushki, A N Miller, A Mombert, E A Ossowska, K Patejuk, O L Pereira, S Piskorski, M Plaza, A R Podile, A Polhorský, W Pusz, M Raza, M Ruszkiewicz-Michalska, M Saba, R M Sánchez, R Singh, L Śliwa, M E Smith, V M Stefenon, D Strasiftáková, N Suwannarach, K Szczepańska, M T Telleria, D S Tennakoon, M Thines, R G Thorn, J Urbaniak, M van der Vegte, V Vasan, C Vila-Viçosa, H Voglmayr, M Wrzosek, J Zappelini, J Z Groenewald
Novel species of fungi described in this study include those from various countries as follows: Argentina , Neocamarosporium halophilum in leaf spots of Atriplex undulata . Australia , Aschersonia merianiae on scale insect ( Coccoidea ), Curvularia huamulaniae isolated from air, Hevansia mainiae on dead spider, Ophiocordyceps poecilometigena on Poecilometis sp. Bolivia , Lecanora menthoides on sandstone, in open semi-desert montane areas, Sticta monlueckiorum corticolous in a forest, Trichonectria epimegalosporae on apothecia of corticolous Megalospora sulphurata var...
June 2023: Persoonia
#6
JOURNAL ARTICLE
Keheng Yan, Fen Guo, Martin J Kainz, Stuart E Bunn, Feilong Li, Wei Gao, Xiaoguang Ouyang, Yuan Zhang
While eutrophication has led to serious habitat degradation and biotic shifts in freshwater ecosystems, most current studies have focused on changes in community assemblages, with few considering the effect of eutrophication on food webs. We conducted a field study in subtropical headwater streams with a gradient of nutrient levels to examine the effect of increasing water nutrients on food webs by using the long-chain polyunsaturated fatty acid eicosapentaenoic acid (EPA) as a measure of the nutritional quality of food...
April 22, 2024: Science of the Total Environment
#7
JOURNAL ARTICLE
Lei Wang, Qing-Lai Dang
INTRODUCTION: Climate change-related CO2 increases and different forms of nitrogen deposition are thought to affect the performance of plants, but their interactions have been poorly studied. METHODS: This study investigated the responses of photosynthesis and growth in two invasive maple species, amur maple ( Acer ginnala Maxim.) and boxelder maple ( Acer negundo L.), to elevated CO2 (400 µmol mol-1 (aCO2 ) vs. 800 µmol mol-1 (eCO2 ) and different forms of nitrogen fertilization (100% nitrate, 100% ammonium, and an equal mix of the two) with pot experiment under controlled conditions...
2024: Frontiers in Plant Science
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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