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Vogels JJ, Van de Waal DB, WallisDeVries MF, Van den Burg AB, Nijssen M, Bobbink R, Berg MP, Olde Venterink H, Siepel H. Towards a mechanistic understanding of the impacts of nitrogen deposition on producer-consumer interactions. Biol Rev Camb Philos Soc 2023; 98:1712-1731. [PMID: 37265074 DOI: 10.1111/brv.12972] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 06/03/2023]
Abstract
Nitrogen (N) deposition has increased substantially since the second half of the 20th century due to human activities. This increase of reactive N into the biosphere has major implications for ecosystem functioning, including primary production, soil and water chemistry and producer community structure and diversity. Increased N deposition is also linked to the decline of insects observed over recent decades. However, we currently lack a mechanistic understanding of the effects of high N deposition on individual fitness, species richness and community structure of both invertebrate and vertebrate consumers. Here, we review the effects of N deposition on producer-consumer interactions, focusing on five existing ecological frameworks: C:N:P ecological stoichiometry, trace element ecological stoichiometry, nutritional geometry, essential micronutrients and allelochemicals. We link reported N deposition-mediated changes in producer quality to life-history strategies and traits of consumers, to gain a mechanistic understanding of the direction of response in consumers. We conclude that high N deposition influences producer quality via eutrophication and acidification pathways. This makes oligotrophic poorly buffered ecosystems most vulnerable to significant changes in producer quality. Changes in producer quality between the reviewed frameworks are often interlinked, complicating predictions of the effects of high N deposition on producer quality. The degree and direction of fitness responses of consumers to changes in producer quality varies among species but can be explained by differences in life-history traits and strategies, particularly those affecting species nutrient intake regulation, mobility, relative growth rate, host-plant specialisation, ontogeny and physiology. To increase our understanding of the effects of N deposition on these complex mechanisms, the inclusion of life-history traits of consumer species in future study designs is pivotal. Based on the reviewed literature, we formulate five hypotheses on the mechanisms underlying the effects of high N deposition on consumers, by linking effects of nutritional ecological frameworks to life-history strategies. Importantly, we expect that N-deposition-mediated changes in producer quality will result in a net decrease in consumer community as well as functional diversity. Moreover, we anticipate an increased risk of outbreak events of a small subset of generalist species, with concomitant declines in a multitude of specialist species. Overall, linking ecological frameworks with consumer life-history strategies provides a mechanistic understanding of the impacts of high N deposition on producer-consumer interactions, which can inform management towards more effective mitigation strategies.
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Affiliation(s)
- Joost J Vogels
- Bargerveen Foundation, Toernooiveld 1, 6525 ED, Nijmegen, The Netherlands
- Department of Animal Ecology and Physiology, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands
| | - Dedmer B Van de Waal
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
- Department of Freshwater and Marine Ecology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands
| | - Michiel F WallisDeVries
- De Vlinderstichting / Dutch Butterfly Conservation, P.O. Box 6700 AM, Wageningen, The Netherlands
| | | | - Marijn Nijssen
- Bargerveen Foundation, Toernooiveld 1, 6525 ED, Nijmegen, The Netherlands
- Department of Animal Ecology and Physiology, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands
| | - Roland Bobbink
- B-WARE Research Centre, Radboud University Nijmegen, Toernooiveld 1, 6525 ED, Nijmegen, The Netherlands
| | - Matty P Berg
- A-LIFE, Section Ecology & Evolution, Vrije Universiteit, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands
- GELIFES, Community and Conservation Ecology Group, University of Groningen, Nijenborgh 7, 9747 AG, Groningen, The Netherlands
| | - Harry Olde Venterink
- Department of Biology, Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussels, Belgium
| | - Henk Siepel
- Department of Animal Ecology and Physiology, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands
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Standardised Sampling Approach for Investigating Pathogens or Environmental Chemicals in Wild Game at Community Hunts. Animals (Basel) 2022; 12:ani12070888. [PMID: 35405877 PMCID: PMC8996972 DOI: 10.3390/ani12070888] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Wild game can host pathogens capable of infecting humans, livestock, and companion animals or accumulate environmental chemicals that may be transferred via food of animal origin. For food safety research, as well as for various other scientific purposes, the provision of a sufficient number of samples without unnecessary disturbance or killing of animals is a major limitation. With the presented approach, it was possible to obtain samples from game animals killed as part of standard ungulate management practice. Examples of organs, tissues, and other matrices that have been used in wild ungulate studies in Europe and that may be obtained through this approach are summarised as well. The basis of this approach was a framework agreement with the BImA, whereby federal forest officials carried out sampling with the help of hunters at drive hunts from 2017/18 to 2020/21 in Brandenburg, Germany. Numerous samples from four ungulate species were obtained. The number of sampled animals per hunt differed between hunting districts and hunting seasons. Districts with higher hunting bags also promise higher sampling success. This approach can serve as the basis for long-term monitoring of animal and public health threats associated with wildlife and is adaptable to other regions. Abstract Wildlife may host pathogens and chemicals of veterinary and public health relevance, as well as pathogens with significant economic relevance for domestic livestock. In conducting research on the occurrence and distribution of these agents in wildlife, a major challenge is the acquisition of a sufficient number of samples coupled with efficient use of manpower and time. The aim of this article is to present the methodology and output of a sampling approach for game animals, which was implemented from 2017/18 to 2020/21 at drive hunts in Brandenburg, Germany. The central element was a framework agreement with the BImA, whereby federal forest officials and other hunters collected most of the samples during field dressing. Further samples of game carcasses were obtained by scientists during subsequent gathering at a collection point. Altogether, 3185 samples from 938 wild ungulates of four species were obtained for various studies analysing—in this case—food-borne agents in game animals. Sampling was representative and reflected the proportional distribution of ungulate species hunted in Brandenburg. Hunting district and hunting season strongly influenced hunting bag and hence sampling success. This sampling approach was demonstrated to be a suitable basis for monitoring programs, that can be adapted to other regions.
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Nie D, Gui J, Zhao N, Lin Y, Tang H, Cai F, Shen G, Liu J, Zhang E, Chen M. Haematological and serum biochemical reference values in Chinese water deer (Hydropotes inermis): a preliminary study. BMC Vet Res 2020; 16:395. [PMID: 33081761 PMCID: PMC7574586 DOI: 10.1186/s12917-020-02601-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 09/30/2020] [Indexed: 12/02/2022] Open
Abstract
Background A selection of haematological and serum biochemical profile was first presented from the 81 samples of Chinese water deer (Hydropotes inermis). The deer health assessment database was initially established, especially in relation to determining potential effects associated with diseases diagnosis. Results Blood samples were analyzed for different haematological parameters viz. white blood cells (WBC), red blood cells (RBC), haemoglobin (HGB), packed-cell volume (PCV), platelet count (PLT), mean corpuscular haemoglobin (MCH), mean corpuscular haemoglobin concentration (MCHC), mean corpuscular volume (MCV), mean red blood cells distribution width coefficient of variation (RDW) and different hematological parameters viz. total protein (TP), albumin (ALB), globulin (GLB), albumin to globulin ratio (A/G), total bilirubin (TBIL), alkaline phosphatase (ALP), γ-glutamyl transferase (GGT), alanine aminotransferase (ALT), aspartate aminotransferase (AST), AST/ALT, creatinine, urea (BUN), uric acid, total cholesterol (TC), triglyceride, creatine kinase (CK), lactate dehydrogenase (LDH) and cortisol. The adult females had higher values than adult males in albumin, mean corpuscular volume, packed-cell volume, and hemoglobin content values. The deer from Shanghai had higher urea nitrogen values than those from Zhoushan. Conclusion To our knowledge this is the first report about the haematological and serum biochemical parameters in Chinese water deer. We had initially established a profile of Chinese water deer on haematological and serum biochemical parameters based on 81 samples we had collected. The findings can serve as a primary reference for health monitoring and disease prevention in this species.
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Affiliation(s)
- Dayi Nie
- School of Life Sciences, Institute of Eco-Chongming, East China Normal University, 500 Dongchuan Rd, Shanghai, 200241, China.,Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, Shanghai, 202162, China
| | - Jianfeng Gui
- Shanghai Zoo, 2381 Hongqiao Rd, Shanghai, 200335, China
| | - Na Zhao
- School of Life Sciences, Institute of Eco-Chongming, East China Normal University, 500 Dongchuan Rd, Shanghai, 200241, China.,Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, Shanghai, 202162, China
| | - Yi Lin
- School of Life Sciences, Institute of Eco-Chongming, East China Normal University, 500 Dongchuan Rd, Shanghai, 200241, China.,Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, Shanghai, 202162, China
| | - Haiming Tang
- Shanghai Pudong New Area Forestry Station, 285 East Huaxia Rd, Shanghai, 201210, China
| | - Feng Cai
- Shanghai Songjiang District Forestry Station, 839 Yinze Rd, Shanghai, 201620, China
| | - Guoping Shen
- Shanghai Songjiang District Agricultural Commission, 1 Yuanzhong Rd, Shanghai, 201620, China
| | - Jiazhong Liu
- Shanghai Zoo, 2381 Hongqiao Rd, Shanghai, 200335, China
| | - Endi Zhang
- School of Life Sciences, Institute of Eco-Chongming, East China Normal University, 500 Dongchuan Rd, Shanghai, 200241, China.,Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, Shanghai, 202162, China
| | - Min Chen
- School of Life Sciences, Institute of Eco-Chongming, East China Normal University, 500 Dongchuan Rd, Shanghai, 200241, China. .,Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, Shanghai, 202162, China.
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Chen MH, Lin YT, Lai CC, Chou LS, Chen CY. Tissue concentrations of Fe, Zn, Cu and Mn of four Taiwanese toothed cetaceans. MARINE POLLUTION BULLETIN 2020; 158:111094. [PMID: 32753165 DOI: 10.1016/j.marpolbul.2020.111094] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 03/18/2020] [Accepted: 03/18/2020] [Indexed: 06/11/2023]
Abstract
Concentrations of Fe, Mn, Zn, and Cu in the muscle, lung, liver, and kidney tissues of 49 cetaceans, including 11 Kogia sima (Ks), 10 Lagenodelphis hosei (Lh), 14 Grampus griseus (Gg), and 14 Stenella attenuata (Sa) from 1994 to 2012 in Taiwan were measured. Ks exhibited the highest Fe, and the lowest Zn, Cu and Mn tissue concentrations. The Kogiid and Delphinid groups were significantly categorized by nMDS analysis. Fe muscle concentrations were found to be positively correlated with Ks, Lh, and Gg but not Sa body length. The different levels of Zn-, Cu-, and Mn- tissue concentrations of the two families were due to their different SOD systems. Their calves contained higher Cu liver concentrations. The four essential elements in cetaceans regulate homeostasis to meet their eco-physiological demand. The baseline levels for these four elements in these four tissues in the Delphinid group are defined.
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Affiliation(s)
- Meng-Hsien Chen
- Department of Oceanography (Marine Biology group), National Sun Yat-sen University, 804 Kaohsiung, Taiwan; Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, 807 Kaohsiung, Taiwan.
| | - Yu-Ting Lin
- Department of Oceanography (Marine Biology group), National Sun Yat-sen University, 804 Kaohsiung, Taiwan
| | - Chien-Cheng Lai
- Department of Oceanography (Marine Biology group), National Sun Yat-sen University, 804 Kaohsiung, Taiwan
| | - Lien-Siang Chou
- Institute of Ecology and Evolutionary Biology, National Taiwan University, 106 Taipei, Taiwan
| | - Chiee-Young Chen
- Department of Marine Environmental Engineering, National Kaohsiung University, 811 Kaohsiung, Taiwan
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