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Abou Zeid F, Morelli F, Ibáñez-Álamo JD, Díaz M, Reif J, Jokimäki J, Suhonen J, Kaisanlahti-Jokimäki ML, Markó G, Bussière R, Mägi M, Tryjanowski P, Kominos T, Galanaki A, Bukas N, Pruscini F, Jerzak L, Ciebiera O, Benedetti Y. Spatial Overlap and Habitat Selection of Corvid Species in European Cities. Animals (Basel) 2023; 13:ani13071192. [PMID: 37048448 PMCID: PMC10093487 DOI: 10.3390/ani13071192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 04/01/2023] Open
Abstract
Understanding habitat and spatial overlap in sympatric species of urban areas would aid in predicting species and community modifications in response to global change. Habitat overlap has been widely investigated for specialist species but neglected for generalists living in urban settings. Many corvid species are generalists and are adapted to urban areas. This work aimed to determine the urban habitat requirements and spatial overlap of five corvid species in sixteen European cities during the breeding season. All five studied corvid species had high overlap in their habitat selection while still having particular tendencies. We found three species, the Carrion/Hooded Crow, Rook, and Eurasian Magpie, selected open habitats. The Western Jackdaw avoided areas with bare soil cover, and the Eurasian Jay chose more forested areas. The species with similar habitat selection also had congruent spatial distributions. Our results indicate that although the corvids had some tendencies regarding habitat selection, as generalists, they still tolerated a wide range of urban habitats, which resulted in high overlap in their habitat niches and spatial distributions.
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Affiliation(s)
- Farah Abou Zeid
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic; (F.M.); (Y.B.)
- Correspondence:
| | - Federico Morelli
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic; (F.M.); (Y.B.)
- Institute of Biological Sciences, University of Zielona Góra, Prof. Z. Szafrana St. 1, 65-516 Zielona Góra, Poland; (L.J.); (O.C.)
| | | | - Mario Díaz
- Department of Biogeography and Global Change, Museo Nacional de Ciencias Naturales (BGC-MNCN-CSIC), 28006 Madrid, Spain;
| | - Jiří Reif
- Institute for Environmental Studies, Faculty of Science, Charles University, Prague, Benatska 2, 128 01 Praha, Czech Republic;
- Department of Zoology, Faculty of Science, Palacky University in Olomouc, 17. Listopadu 50, 771 46 Olomouc, Czech Republic
| | - Jukka Jokimäki
- Nature Inventory and EIA-Services, Arctic Centre, University of Lapland, P.O. Box 122, 96101 Rovaniemi, Finland; (J.J.); (M.-L.K.-J.)
| | - Jukka Suhonen
- Department of Biology, University of Turku, 20014 Turku, Finland;
| | - Marja-Liisa Kaisanlahti-Jokimäki
- Nature Inventory and EIA-Services, Arctic Centre, University of Lapland, P.O. Box 122, 96101 Rovaniemi, Finland; (J.J.); (M.-L.K.-J.)
| | - Gábor Markó
- Department of Plant Pathology, Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Ménesi út 44, 1118 Budapest, Hungary;
| | | | - Marko Mägi
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, 50409 Tartu, Estonia;
| | - Piotr Tryjanowski
- Institute of Zoology, Poznań University of Life Sciences, Wojska Polskiego 71C, 60-625 Poznań, Poland;
| | - Theodoros Kominos
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (T.K.); (A.G.)
| | - Antonia Galanaki
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (T.K.); (A.G.)
| | - Nikos Bukas
- Plegadis, Riga Feraiou 6A, 45444 Ioannina, Greece;
| | | | - Leszek Jerzak
- Institute of Biological Sciences, University of Zielona Góra, Prof. Z. Szafrana St. 1, 65-516 Zielona Góra, Poland; (L.J.); (O.C.)
| | - Olaf Ciebiera
- Institute of Biological Sciences, University of Zielona Góra, Prof. Z. Szafrana St. 1, 65-516 Zielona Góra, Poland; (L.J.); (O.C.)
| | - Yanina Benedetti
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic; (F.M.); (Y.B.)
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Huang P, Zheng D, Yan Y, Xu W, Zhao Y, Huang Z, Ding Y, Lin Y, Zhu Z, Chen Z, Fu W. Effects of Landscape Features on Bird Community in Winter Urban Parks. Animals (Basel) 2022; 12:ani12233442. [PMID: 36496963 PMCID: PMC9735841 DOI: 10.3390/ani12233442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022] Open
Abstract
Urban parks, as critical components of the urban green space, have practical significance in studying the influence of landscape characteristics on birds. Nine urban parks in Fuzhou, China, were used as study objects to explore the influence of landscape features (patch, landscape, and surrounding environment indices) on bird communities. The results showed that (1) from December 2021 to February 2022, we found a total of 2874 individuals belonging to 61 species of 9 orders, 32 families, which were dominated by the birds of Passeriformes (37 species of 24 families, accounting for 89.91% of the total number of individuals) and resident birds in Fuzhou urban parks (n = 30; 85.46%); (2) The park area, park perimeter, woodland area, grassland area, and the park shape index increased as the distance to the city center increases; (3) Bird diversity responds differently to different landscape features. The total abundance of birds, the abundance of winter migrant birds, and the richness of winter migrant birds increased with the park area. And the park shape index affects positively for the the α-diversity of birds and the abundance of resident birds. Woodland proportion and waterbody shape index affected positively on the richness and α-diversity of resident birds. To promote the diversity of regional birds, it is recommended that the construction and planning of urban parks should enlarge the park area as much as possible, increase the proportion of woodland, and make shorelines more irregular. Our study could serve as a reference for the construction of biodiversity enhancements in core green areas of urban parks.
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Affiliation(s)
- Peilin Huang
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Dulai Zheng
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Yijing Yan
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Weizhen Xu
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Yujie Zhao
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Ziluo Huang
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Yinghong Ding
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Yuxin Lin
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
| | - Zhipeng Zhu
- College of Architecture and Urban Planning, Fujian University of Technology, 33 Xuefunan Rd, Fuzhou 350118, China
| | - Ziru Chen
- College of Architecture and Urban Planning, Fujian University of Technology, 33 Xuefunan Rd, Fuzhou 350118, China
| | - Weicong Fu
- College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, 15 Shangxiadian Rd, Fuzhou 350002, China
- Engineering Research Center for Forest Park of National Forestry and Grassland Administration, 63 Xiyuangong Rd, Fuzhou 350002, China
- Correspondence:
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Suárez‐Castro AF, Maron M, Mitchell MGE, Rhodes JR. Disentangling direct and indirect effects of landscape structure on urban bird richness and functional diversity. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2022; 32:e2713. [PMID: 36196040 PMCID: PMC10077913 DOI: 10.1002/eap.2713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 04/17/2022] [Accepted: 05/31/2022] [Indexed: 06/16/2023]
Abstract
As fragmented landscapes become increasingly common around the world, managing the spatial arrangement of landscape elements (i.e., landscape configuration) may help to promote the conservation of biodiversity. However, the relative effects of landscape configuration on different dimensions of biodiversity across species assemblages are largely unknown. Thus, a key challenge consists in understanding when it is necessary to focus on landscape configuration, in addition to landscape composition, to achieve multifunctional landscapes. We tested the effects of landscape composition (the percentage of tree cover and built infrastructure) and landscape configuration (degree of fragmentation) on landscape-level species richness and different metrics of functional diversity of urban birds. We collected data on different bird guilds (nectarivores/frugivores, insectivores) from Brisbane, Australia. Using structural equation models, we found that landscape structure (landscape composition and configuration) affected functional diversity via two main pathways: (1) through effects of landscape composition, mediated by landscape configuration (indirect effects), and (2) through direct ("independent") effects of landscape composition and configuration, filtering species with extreme trait values. Our results show that landscape-level species richness declined with the extent of built infrastructure, but patterns of trait diversity did not necessarily correlate with this variable. Landscape configuration had a stronger mediating effect on some metrics of the functional diversity of insectivores than on the functional diversity of frugivores/nectarivores. In addition, fragmentation increased the effects of built infrastructure for some traits (body size and dispersal capacity), but not for others (habitat plasticity and foraging behavior). These results suggest that differential approaches to managing landscape structure are needed depending on whether the focus is on protecting functional diversity or species richness and what the target guild is. Managing landscape fragmentation in areas with high levels of built infrastructure is important if the objective is to protect insectivore species with uncommon traits, even if it is not possible to preserve high levels of species richness. However, if the target is to enhance both functional diversity and species richness of multiple guilds, the focus should be on improving composition through the reduction of negative effects of built infrastructure, rather than promoting specific landscape configurations in growing cities.
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Affiliation(s)
- Andrés Felipe Suárez‐Castro
- Centre for Biodiversity and Conservation ScienceThe University of QueenslandBrisbaneAustralia
- Australian Rivers InstituteUniversity of GriffithNathanAustralia
| | - Martine Maron
- Centre for Biodiversity and Conservation ScienceThe University of QueenslandBrisbaneAustralia
- School of Earth and Environmental SciencesThe University of QueenslandBrisbaneAustralia
| | - Matthew G. E. Mitchell
- Institute for Resources, Environment and SustainabilityUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Jonathan R. Rhodes
- Centre for Biodiversity and Conservation ScienceThe University of QueenslandBrisbaneAustralia
- School of Earth and Environmental SciencesThe University of QueenslandBrisbaneAustralia
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Jokimäki J, Kaisanlahti-Jokimäki ML, Suhonen J. Long-Term Winter Population Trends of Corvids in Relation to Urbanization and Climate at Northern Latitudes. Animals (Basel) 2022; 12:ani12141820. [PMID: 35883367 PMCID: PMC9311560 DOI: 10.3390/ani12141820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Corvids (e.g., crows, magpies and jays) are an important part of urban settlements, especially during winter. To understand the factors affecting the long-term population trends of corvids, we counted wintering corvids in 31 human settlements along a 920 km latitudinal gradient in Finland during four winters between 1991 and 2020. We detected a total of five corvid species, from which the Hooded Crow, the Eurasian Magpie and the Eurasian Jackdaw were found to be common. During the study period, the number of Eurasian Jackdaws increased, and their distribution range moved northwards. No corresponding changes were observed for the Hooded Crow or the Eurasian Magpie. Neither the local-level urban-, climate- nor food-related factors correlated with the changes in the numbers and growth rates of the corvids. No interspecific interactions were observed. We assume that the Eurasian Jackdaw has benefitted from the decreased persecution, and probably also from the large-scale climate warming. Our results suggest that urban settlements are quite stable wintering environments for generalist and omnivorous corvids. Abstract Corvids (crows, magpies, jays) live in a close association with humans, and therefore knowledge about their population status and changes will be an essential part of monitoring the quality of urban environments. Wintering bird populations can track habitat and climate changes more rapidly than breeding populations. We conducted a long-term (1991–2020) winter census of corvid species in 31 human settlements along a 920 km latitudinal gradient in Finland. We observed a total of five corvid species: the Eurasian Magpie (occurring in 114 surveys out of 122; total abundance 990 ind.), the Hooded Crow (in 96 surveys; 666 ind.), the Eurasian Jackdaw (in 51 surveys; 808 ind.), the Eurasian Jay (in 5 surveys; 6 ind.) and the Rook (in 1 survey; 1 ind.). Only the numbers of the Eurasian Jackdaw differed between the study winters, being greater at the end of the study period (2019/2020) than during the earlier winters (1991/1992 and 1999/2000). The average growth rate (λ) of the Eurasian Jackdaw increased during the study period, whereas no changes were observed in the cases of the Hooded Crow or the Eurasian Magpie. The growth rate of the Eurasian Jackdaw was greater than that observed in the Finnish bird-monitoring work, probably because our data came only from the core area of each human settlement. Even though the number of buildings and their cover increased in the study plots, and the winter temperature differed between winters, the average growth rate (λ) of corvid species did not significantly correlate with these variables. These results suggest that urban settlements are stable wintering environments for the generalist corvids. The between-species interactions were all positive, but non-significant. Despite the total number of winter-feeding sites being greater during the winter of 1991/1992 than during the winter of 2019/2020, the changes in the numbers of feeding stations did not correlate with the growth rates of any corvid species. We assume that the Eurasian Jackdaw has benefitted from the decreased persecution, and probably also from large-scale climate warming that our study design was unable to take in to account. Our results indicated that wintering corvid populations succeed well in the human settlements in Finland. We recommend conducting long-term corvid research, also during breeding season, to understand more detailed causes of the population changes of corvids along an urban gradient. Without year-round long-term monitoring data, the conservation and management recommendations related to the corvid species in urban habitats may be misleading.
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Affiliation(s)
- Jukka Jokimäki
- Arctic Centre, University of Lapland, FI-96101 Rovaniemi, Finland;
- Correspondence:
| | | | - Jukka Suhonen
- Department of Biology, University of Turku, FI-20014 Turku, Finland;
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Neighboring Green Network and Landscape Metrics Explain Biodiversity within Small Urban Green Areas—A Case Study on Birds. SUSTAINABILITY 2022. [DOI: 10.3390/su14116394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Cities’ green areas are fragmented patches and are often confined to smaller sizes than the higher built-up proportions. Such small-sized green areas can be essential components of green infrastructure to compensate for biodiversity loss. As a proxy to biodiversity, we studied birds in nine small green area locations of Freiburg and eight area locations in Regensburg in Germany. We investigated the neighboring green networks (distance to the nearest water body and another green area) and landscape metrics (patch abundance and habitat heterogeneity at a 1 km radius) that might benefit and explain bird richness and composition in small green areas. We found that the variations in the observed species richness and composition at the surveyed locations were better explained solely by green networks in Freiburg and by green networks and landscape metrics in Regensburg. In general, it indicates that a small green area could be biodiverse if its spatial distribution considers a nearby water body and other green areas, allowing a higher abundance of similar patches and habitat heterogeneity in the neighborhood.
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New Evidence on the Linkage of Population Trends and Species Traits to Long-Term Niche Changes. BIRDS 2022. [DOI: 10.3390/birds3010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Despite the assessment of long-term niche dynamics could provide crucial information for investigating species responses to environmental changes, it is a poorly investigated topic in ecology. Here, we present a case study of multi-species niche analysis for 71 common breeding birds in Northern Italy, exploring long-term niche changes from 1992 to 2017 and their relationship with both population trends and species traits. We (i) quantified the realized Grinnellian niche in the environmental space, (ii) compared variations in niche breadth and centroid, (iii) tested niche divergence and conservatism through equivalency and similarity tests, (iv) calculated niche temporal overlap, expansion and unfilling indices, and (v) investigated their association with both population changes and species traits. Results supported niche divergence (equivalency test) for 32% of species, although two-thirds were not supported by the similarity test. We detected a general tendency to adjust the niche centroids towards warmer thermal conditions. Increasing populations were positively correlated with niche expansion, while negatively correlated with niche overlap, albeit at the limit of the significance threshold. We found moderate evidence for a non-random association between niche changes and species traits, especially for body size, clutch size, number of broods per year, inhabited landscape type, and migration strategy. We encourage studies correlating long-term population trends and niche changes with species traits’ information and a specific focus on cause-effect relationship at both the single and multiple-species level.
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Liordos V, Jokimäki J, Kaisanlahti-Jokimäki ML, Valsamidis E, Kontsiotis VJ. Patch, matrix and disturbance variables negatively influence bird community structure in small-sized managed green spaces located in urban core areas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149617. [PMID: 34411790 DOI: 10.1016/j.scitotenv.2021.149617] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 08/08/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Patch, matrix and human-induced disturbance variables are important in determining the structure of urban bird communities. Although green spaces in urban core areas are usually small and disturbed, they can be important for local bird diversity. Because such areas are often overlooked, their study is critical for successfully incorporating biodiversity conservation in urban planning. Furthermore, comparing bird communities from different biogeographical areas would help identify generalizable patterns and propose common management actions. We compared the structure of breeding season bird assemblages of managed small public green spaces in the urban core areas of two similar-sized European cities, Kavala (Greece) and Rovaniemi (Finland), and studied the influence of environmental variables on community structure. Species composition differed between the cities. Abundance and evenness were higher in Kavala, while richness and diversity did not differ between the cities. Abundance did not respond in a general way to the same variables in the two cities. It increased with decreasing shrub cover and distance from the city center and with increasing midday noise and ground cover in Kavala, but increased with increasing distance from the city center and decreased with increasing car traffic and midday noise in Rovaniemi. This might be explained by the lower abundance of bird dwellers in Rovaniemi. Primarily gray cover, but also other variables, at both the patch and matrix levels (e.g., noise, car traffic, distance from the city center), negatively affected richness, evenness and diversity in both cities. Green space size was positively correlated with richness and diversity in Kavala, but not in Rovaniemi, possibly due to the smaller size variation in Rovaniemi. Results emphasized that increasing gray cover is harmful for birds in small-sized green spaces in urban core areas. However, urban managers should note that not all bird community metrics responded in similar ways to same environmental variables.
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Affiliation(s)
- Vasilios Liordos
- Department of Forest and Natural Environment Sciences, International Hellenic University, P.O. Box 172, 66100-GR Drama, Greece.
| | - Jukka Jokimäki
- Arctic Centre, University of Lapland, P.O. Box 122, 96101-FI Rovaniemi, Finland
| | | | - Evangelos Valsamidis
- Department of Forest and Natural Environment Sciences, International Hellenic University, P.O. Box 172, 66100-GR Drama, Greece
| | - Vasileios J Kontsiotis
- Department of Forest and Natural Environment Sciences, International Hellenic University, P.O. Box 172, 66100-GR Drama, Greece
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Tirozzi P, Orioli V, Dondina O, Kataoka L, Bani L. Species Traits Drive Long-Term Population Trends of Common Breeding Birds in Northern Italy. Animals (Basel) 2021; 11:3426. [PMID: 34944203 PMCID: PMC8698188 DOI: 10.3390/ani11123426] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 11/16/2022] Open
Abstract
Long-term population trends are considerable sources of information to set wildlife conservation priorities and to evaluate the performance of management actions. In addition, trends observed in functional groups (e.g., trophic guilds) can provide the foundation to test specific hypotheses about the drivers of the observed population dynamics. The aims of this study were to assess population trends of breeding birds in Lombardy (N Italy) from 1992 to 2019 and to explore the relationships between trends and species sharing similar ecological and life history traits. Trends were quantified and tested for significance by weighted linear regression models and using yearly population indices (median and 95% confidence interval) predicted through generalized additive models. Results showed that 45% of the species increased, 24% decreased, and 31% showed non-significant trends. Life history traits analyses revealed a general decrease of migrants, of species with short incubation period and of species with high annual fecundity. Ecological traits analyses showed that plant-eaters and species feeding on invertebrates, farmland birds, and ground-nesters declined, while woodland birds increased. Further studies should focus on investigation of the relationship between long-term trends and species traits at large spatial scales, and on quantifying the effects of specific drivers across multiple functional groups.
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Affiliation(s)
- Pietro Tirozzi
- Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; (P.T.); (V.O.); (O.D.); (L.K.)
| | - Valerio Orioli
- Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; (P.T.); (V.O.); (O.D.); (L.K.)
| | - Olivia Dondina
- Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; (P.T.); (V.O.); (O.D.); (L.K.)
| | - Leila Kataoka
- Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; (P.T.); (V.O.); (O.D.); (L.K.)
| | - Luciano Bani
- Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; (P.T.); (V.O.); (O.D.); (L.K.)
- World Biodiversity Association Onlus c/o NAT LAB Forte Inglese, Portoferraio, 57037 Livorno, Italy
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