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Gao J, Zhi Y, Huang Y, Shi S, Tan Q, Wang C, Han L, Yao J. Effects of benthic bioturbation on anammox in nitrogen removal at the sediment-water interface in eutrophic surface waters. WATER RESEARCH 2023; 243:120287. [PMID: 37451126 DOI: 10.1016/j.watres.2023.120287] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
Anaerobic ammonium oxidation (anammox) significantly contributes to nitrogen loss in freshwater ecosystems. The sediment-water interface (SWI), known as a "hot spot" for anammox, also harbors numerous macroinvertebrates. However, the impact of their bioturbation on anammox has generally been overlooked. This study compared the effects of three representative macroinvertebrates (i.e., Propsilocerus akamusi, Branchiura sowerbyi and Radix swinhoei) with different bioturbation modes on anammox and the N-removal processes at the SWI by using a microcosmic system. The results demonstrated that all three benthic macroinvertebrates promoted anammox in addition to denitrification processes. The highest N-removal was achieved in the presence of P. akamusi considered as a gallery-diffuser, where the relative abundance of Planctomycetes (to which the anammox bacteria belong) increased by 70%. P. akamusi increased the abundance of anammox hzsB gene by 2.58-fold and promoted potential anammox rate by 12.79 nmol N g-1 h-1, which in turn facilitated total N-removal mass increased by 2.42-fold. In the presence of B. sowerbyi and R. swinhoei, the potential anammox rates increased by 4.81 and 5.57 nmol N g-1 h-1, respectively. These results underscore the substantial impact of macroinvertebrates on anammox and N-removal processes, highlighting their crucial role in N pollution control, and sustaining the overall health and stability of eutrophic water bodies.
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Affiliation(s)
- Jie Gao
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Yue Zhi
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Yuyue Huang
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Sijie Shi
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Qiujun Tan
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Chengcheng Wang
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Le Han
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Jingmei Yao
- Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
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Dunoyer LA, Coomes D, Crowley PH. Nonconsumptive predator effects modify crayfish-induced bioturbation as mediated by limb loss: Field and mesocosm experiments. Ecol Evol 2020; 10:2739-2748. [PMID: 32211153 PMCID: PMC7083668 DOI: 10.1002/ece3.5444] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 06/18/2019] [Indexed: 11/11/2022] Open
Abstract
We addressed the implications of limb loss and regeneration for multispecies interactions and their impacts on ecosystem engineering in freshwater stream environments.We included regenerative and nonregenerative crayfish as well as fish predators in a 2 × 2 factorial design to assess the effects on water turbidity of interactions between crayfish ecosystem engineers differing in regenerative status and their fish predators.We demonstrated that crayfish limb loss and predation risks lead to more turbidity in field and mesocosm conditions. Moreover, ongoing regeneration of crayfish increased turbidity, while fish presence seemed to hinder crayfish turbidity-inducing behaviors (such as tail-flipping and burrowing) in the mesocosm experiment.We confirmed that greater numbers of crayfish produce a greater amount of turbidity in situ in streams.Although mechanical burrowing crayfish capacities may depend on crayfish burrowing classification (primary, secondary, or tertiary), our work emphasizes the implication for turbidity levels of crayfish autotomy in freshwater streams.
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Affiliation(s)
- Luc A. Dunoyer
- Department of BiologyUniversity of KentuckyLexingtonKYUSA
| | - Dakota Coomes
- Department of BiologyUniversity of KentuckyLexingtonKYUSA
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Daam MA, Teixeira H, Lillebø AI, Nogueira AJA. Establishing causal links between aquatic biodiversity and ecosystem functioning: Status and research needs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 656:1145-1156. [PMID: 30625646 DOI: 10.1016/j.scitotenv.2018.11.413] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 11/27/2018] [Accepted: 11/27/2018] [Indexed: 06/09/2023]
Abstract
Understanding how changes in biodiversity affects ecosystem functioning is imperative in allowing Ecosystem-Based Management (EBM), especially when addressing global change and environmental degradation. Research into the link between biodiversity and ecosystem functioning (BEF) has indeed increased considerably over the past decades. BEF research has focussed on terrestrial ecosystems and aquatic ecosystems have received considerably less attention. Due to differences in phylogenetic diversity, ecological processes and reported BEF relationships, however, it may at least be questionable whether BEF relationships are exchangeable between these ecosystems (i.e. terrestrial and aquatic). The aim of the present paper was therefore to pinpoint key areas and bottlenecks in establishing BEF relationships for aquatic ecosystems (freshwater, transitional, and marine). To this end, the available literature with special emphasis on the last 10 years was assessed to evaluate: i) reported mechanisms and shapes of aquatic BEF relationships; ii) to what extent BEF relations are interchangeable or ecosystem-specific; and iii) contemporary gaps and needs in aquatic BEF research. Based on our analysis, it may be concluded that despite considerable progress in BEF research over the past decades, several bottlenecks still need to be tackled, namely incorporating the multitude of functions supported by ecosystems, functional distinctiveness of rare species, multitrophic interactions and spatial-temporal scales, before BEF relationships can be used in ecosystem-based management.
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Affiliation(s)
- Michiel A Daam
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-191 Aveiro, Portugal
| | - Heliana Teixeira
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-191 Aveiro, Portugal
| | - Ana I Lillebø
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-191 Aveiro, Portugal
| | - António J A Nogueira
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-191 Aveiro, Portugal.
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Carol Adair E, Hooper DU, Paquette A, Hungate BA. Ecosystem context illuminates conflicting roles of plant diversity in carbon storage. Ecol Lett 2018; 21:1604-1619. [DOI: 10.1111/ele.13145] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/08/2018] [Accepted: 07/24/2018] [Indexed: 01/31/2023]
Affiliation(s)
- E. Carol Adair
- Rubenstein School of Environment and Natural Resources University of Vermont Burlington VT05405 USA
| | - David U. Hooper
- Department of Biology Western Washington University Bellingham WA98225‐9160 USA
| | - Alain Paquette
- Centre for Forest Research Département des sciences biologiques Université du Québec à Montréal CP 8888, Succursale Centre‐ville Montréal QC Canada H3C 3P8
| | - Bruce A. Hungate
- Center for Ecosystem Science and Society and Department of Biological Sciences Northern Arizona University Flagstaff AZ86011 USA
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Ndlovu M, Pérez-Rodríguez A. Temperature fluctuations inside savanna termite mounds: Do size and plant shade matter? J Therm Biol 2018; 74:23-28. [DOI: 10.1016/j.jtherbio.2018.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/11/2018] [Accepted: 03/09/2018] [Indexed: 10/17/2022]
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Pires APF, Srivastava DS, Farjalla VF. Is Biodiversity Able to Buffer Ecosystems from Climate Change? What We Know and What We Don’t. Bioscience 2018. [DOI: 10.1093/biosci/biy013] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Aliny P F Pires
- Federal University of Rio de Janeiro (UFRJ) and an associated researcher at Fundação Brasileira para o Desenvolvimento Sustentável (FBDS), Rio de Janeiro, Brazil
- Brazilian Research Network on Climate Change (Rede Clima) and to the Brazilian Plataform on Biodiversity and Ecosystem Services (BPBES)
| | - Diane S Srivastava
- University of British Columbia (UBC), Vancouver, Canada and the director of the Canadian Institute of Ecology and Evolution (CIEE/ICEE)
| | - Vinicius F Farjalla
- Federal University of Rio de Janeiro, Brazil and an associated researcher at Laboratorio Internacional en Cambio Global, LINCGlobal
- Brazilian Research Network on Climate Change (Rede Clima) and to the Brazilian Plataform on Biodiversity and Ecosystem Services (BPBES)
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Does demolition improve biodiversity? Linking urban green space and socioeconomic characteristics to avian richness in a shrinking city. Urban Ecosyst 2017. [DOI: 10.1007/s11252-017-0671-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Specific arrangements of species dominance can be more influential than evenness in maintaining ecosystem process and function. Sci Rep 2016; 6:39325. [PMID: 27996034 PMCID: PMC5171799 DOI: 10.1038/srep39325] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 11/22/2016] [Indexed: 11/10/2022] Open
Abstract
The ecological consequences of species loss are widely studied, but represent an end point of environmental forcing that is not always realised. Changes in species evenness and the rank order of dominant species are more widespread responses to directional forcing. However, despite the repercussions for ecosystem functioning such changes have received little attention. Here, we experimentally assess how the rearrangement of species dominance structure within specific levels of evenness, rather than changes in species richness and composition, affect invertebrate particle reworking and burrow ventilation behaviour - important moderators of microbial-mediated remineralisation processes in benthic environments - and associated levels of sediment nutrient release. We find that the most dominant species exert a disproportionate influence on functioning at low levels of evenness, but that changes in biomass distribution and a change in emphasis in species-environmental interactions become more important in governing system functionality as evenness increases. Our study highlights the need to consider the functional significance of alterations to community attributes, rather than to solely focus on the attainment of particular levels of diversity when safeguarding biodiversity and ecosystems that provide essential services to society.
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Read QD, Hoban SM, Eppinga MB, Schweitzer JA, Bailey JK. Accounting for the nested nature of genetic variation across levels of organization improves our understanding of biodiversity and community ecology. OIKOS 2016. [DOI: 10.1111/oik.02760] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Quentin D. Read
- Dept of Ecology and Evolutionary Biology; Univ. of Tennessee; Knoxville TN 37996 USA
- Rocky Mountain Biological Laboratory; PO Box 519 Crested Butte, CO 81224 USA
| | - Sean M. Hoban
- National Inst. of Mathematical and Biological Synthesis; Knoxville TN 37996 USA
| | - Maarten B. Eppinga
- Dept of Environmental Sciences; Copernicus Inst. of Sustainable Development, Utrecht University; PO Box 80115 NL-3508 TC Utrecht the Netherlands
| | | | - Joseph K. Bailey
- Dept of Ecology and Evolutionary Biology; Univ. of Tennessee; Knoxville TN 37996 USA
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Gerwing TG, Drolet D, Hamilton DJ, Barbeau MA. Relative Importance of Biotic and Abiotic Forces on the Composition and Dynamics of a Soft-Sediment Intertidal Community. PLoS One 2016; 11:e0147098. [PMID: 26790098 PMCID: PMC4720360 DOI: 10.1371/journal.pone.0147098] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 12/29/2015] [Indexed: 11/23/2022] Open
Abstract
Top-down, bottom-up, middle-out and abiotic factors are usually viewed as main forces structuring biological communities, although assessment of their relative importance, in a single study, is rarely done. We quantified, using multivariate methods, associations between abiotic and biotic (top-down, bottom-up and middle-out) variables and infaunal population/community variation on intertidal mudflats in the Bay of Fundy, Canada, over two years. Our analysis indicated that spatial structural factors like site and plot accounted for most of the community and population variation. Although we observed a significant relationship between the community/populations and the biotic and abiotic variables, most were of minor importance relative to the structural factors. We suggest that community and population structure were relatively uncoupled from the structuring influences of biotic and abiotic factors in this system because of high concentrations of resources that sustain high densities of infauna and limit exploitative competition. Furthermore, we hypothesize that the infaunal community primarily reflects stochastic spatial events, namely a “first come, first served” process.
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Affiliation(s)
- Travis G. Gerwing
- Department of Biology, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada
- * E-mail:
| | - David Drolet
- Department of Biology, Mount Allison University, Sackville, New Brunswick, E4L 1G7, Canada
| | - Diana J. Hamilton
- Department of Biology, Mount Allison University, Sackville, New Brunswick, E4L 1G7, Canada
| | - Myriam A. Barbeau
- Department of Biology, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada
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