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Xie PZ, Fan YX, Chapman C, Ma C, Wu CF, Hu P, Hu LL, Fan PF. Determinants of macaques' space use: A test for the ecological constraints model using GPS collars. Am J Primatol 2024; 86:e23636. [PMID: 38824636 DOI: 10.1002/ajp.23636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 04/07/2024] [Accepted: 04/27/2024] [Indexed: 06/04/2024]
Abstract
As a central topic in Behavioral Ecology, animal space use involves dynamic responses to social and ecological factors. We collared 22 rhesus macaques (Macaca mulatta) from six groups on Neilingding Island, China, and collected 80,625 hourly fixes over a year. Using this high-resolution location data set, we quantified the macaques' space use at the individual level and tested the ecological constraints model while considering various environmental and human interfering factors. As predicted by the ecological constraints model, macaques in larger groups had longer daily path lengths (DPLs) and larger home ranges. We found an inverted U-shape relationship between mean daily temperatures and DPLs, indicating that macaques traveled farther on mild temperature days, while they decreased DPLs when temperatures were too high or too low. Anthropogenic food subsidies were positively correlated to DPLs, while the effect of rainfall was negative. Macaques decreased their DPLs and core areas when more flowers and less leaves were available, suggesting that macaques shifted their space use patterns to adapt to the seasonal differences in food resources. By applying GPS collars on a large number of individuals living on a small island, we gained valuable insights into within-group exploitation competition in wild rhesus macaques.
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Affiliation(s)
- Pu-Zhen Xie
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Yu-Xuan Fan
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Colin Chapman
- Center for the Advanced Study of Human Paleobiology, George Washington University, Washington, District of Columbia, USA
| | - Chi Ma
- College of Agriculture and Biological Sciences, Dali university, Dali, China
| | - Cheng-Feng Wu
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Ping Hu
- Neilingding-Futian National Nature Reserve of Guangdong, Shenzhen, China
| | - Liu-Liu Hu
- Neilingding-Futian National Nature Reserve of Guangdong, Shenzhen, China
| | - Peng-Fei Fan
- School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
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2
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McLester E, Fruth B. Golden-bellied mangabeys (Cercocebus chrysogaster) exhibit a larger home range and longer travel distances than those of bonobos (Pan paniscus) at LuiKotale, Democratic Republic of the Congo. Am J Primatol 2023; 85:e23486. [PMID: 36920052 DOI: 10.1002/ajp.23486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/16/2023]
Abstract
Primate ranging behavior is associated with numerous social and ecological correlates. Interspecific comparisons of ranging behavior can therefore provide insight into the socio-ecological conditions that characterize a species' niche within its community. We provide the first description of ranging behavior in golden-bellied mangabeys (Cercocebus chrysogaster), using sympatric bonobos (Pan paniscus) as a comparison. Over 6 months, we recorded GPS tracks at 1- and 5-min intervals from one habituated golden-bellied mangabey group and two habituated bonobo communities at LuiKotale, central Democratic Republic of the Congo. We compared estimates of home range size, time spent at different elevations, and hourly travel distances between species. We modeled daily travel distances against total monthly rainfall to investigate seasonal variation in daily ranging. The golden-bellied mangabey home range was similarly sized or larger than each of the two bonobo communities at LuiKotale across estimation methods. Mangabeys visited more of their range per day and spent more time in terra firma forest and less time in swamps than bonobos. Mangabeys traveled significantly farther per day and during midday hours than bonobos, but travel distances did not relate to monthly rainfall in either species. Golden-bellied mangabeys exhibited wide daily ranging behavior that more closely resembled that of sympatric bonobos than other Cercocebus species. Large homes ranges in mangabeys are likely influenced by food availability in terra firma forest, especially as groups appear to travel long distances between fruit trees and terrestrial food patches. Maximizing daytime activity may help mangabeys avoid competition from heterospecifics and indicates temporal niche partitioning in this primate community.
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Affiliation(s)
- Edward McLester
- Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, Germany
| | - Barbara Fruth
- Department for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, Germany.,Centre for Research and Conservation, Royal Zoological Society of Antwerp, Antwerp, Belgium.,Department of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK
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3
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Zhang K, Karim F, Jin Z, Xiao H, Yao Y, Ni Q, Li B, Pu-Cuo W, Huang Z, Xu H. Diet and feeding behavior of a group of high-altitude rhesus macaques: high adaptation to food shortages and seasonal fluctuations. Curr Zool 2022. [DOI: 10.1093/cz/zoac047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Diet and feeding behavior data are crucial to a deep understanding of the behavioral response and adaptation of primates to a high-altitude environment. From August 2019 to June 2021, we collected data on the feeding behavior of a high-altitude rhesus macaque Macaca mulatta group from Yajiang County, Western Sichuan Plateau, which has an altitude of over 3,500 m. The results showed that feeding (33.0 ± 1.8%) and moving (28.3 ± 2.6%) were the dominant behavior of rhesus macaques. Macaques ate 193 food items, comprising 11 food categories from 90 species. Our study found that plant roots (30.9±30.1%) and young leaves (28.0±33.1%) were the main foods eaten by macaques. The preferred foods of rhesus macaques were young leaves, fruits and seeds, and the consumption of these items was positively correlated with its food availability. When the availability of preferred foods was low, macaques took plant roots, barks and fallen leaves as fallback foods. In particular, roots were a dominant food item in winter, and this way of feeding became a key survival strategy. Our results suggest that, facing the relative scarcity and strong seasonal fluctuations of food resources in high-altitude habitat, macaques adopt active foraging strategies, relying on a variety of food species and adjusting flexibly their food choices based on food availability, which may help to maximize the energy efficiency of high-altitude macaques.
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Affiliation(s)
- Kechu Zhang
- College of Life Science, Sichuan Agricultural University, Ya’an 625014 , Sichuan, China
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guiling 541006 , Guangxi, China
| | - Fazal Karim
- College of Life Science, Sichuan Agricultural University, Ya’an 625014 , Sichuan, China
| | - Zuxiang Jin
- College of Life Science, Sichuan Agricultural University, Ya’an 625014 , Sichuan, China
| | - Hongtao Xiao
- College of Life Science, Sichuan Agricultural University, Ya’an 625014 , Sichuan, China
| | - Yongfang Yao
- College of Life Science, Sichuan Agricultural University, Ya’an 625014 , Sichuan, China
| | - Qingyong Ni
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130 , Sichuan, China
| | - Bajin Li
- Gexigou National Nature Reserve Administration, Yajiang Forestry and Grassland Administration , Ganzi 627450, Sichuan, China
| | - Wangjia Pu-Cuo
- Gexigou National Nature Reserve Administration, Yajiang Forestry and Grassland Administration , Ganzi 627450, Sichuan, China
| | - Zhonghao Huang
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guiling 541006 , Guangxi, China
| | - Huailiang Xu
- College of Life Science, Sichuan Agricultural University, Ya’an 625014 , Sichuan, China
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Hongo S, Nakashima Y, Akomo-Okoue EF, Mindonga-Nguelet FL. Seasonality in daily movement patterns of mandrills revealed by combining direct tracking and camera traps. J Mammal 2022; 103:159-168. [PMID: 35087330 PMCID: PMC8789762 DOI: 10.1093/jmammal/gyab141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 11/05/2021] [Indexed: 11/27/2022] Open
Abstract
Movement is a fundamental characteristic of animals, but challenging to measure noninvasively. Noninvasive methods for measuring travel have different weaknesses, so multiple techniques need to be applied multiple techniques for reliable inferences. We used two methods, direct tracking and camera trapping, to examine the variation in time and seasonal differences in movement rates of mandrills (Mandrillus sphinx), an elusive primate that lives in large groups in central Africa. In a 400-km2 rainforest area in Moukalaba-Doudou National Park, Gabon, we tracked unidentified groups 46 times from 2009 to 2013. We systematically placed 157 terrestrial camera traps in the same area from 2012 to 2014 and recorded groups 309 times. Generalized additive mixed models (GAMMs) of the tracking data indicated that the group travel speed varied with time and season. In the fruiting season, the movement rate fluctuated with time in a bimodal pattern, whereas in the nonfruiting season, it increased monotonously with time. The predicted day range was longer in the fruiting season (6.98 km) than in the nonfruiting season (6.06 km). These seasonal differences suggest responses to changes in food resources and temperature. Camera-trap detection rates showed similar temporal and seasonal patterns to the tracking data, allowing us to generalize our findings to the population level. Moreover, cameras never detected mandrills at night, and we observed that they slept high in trees and hardly moved until the next morning, all suggesting their strict avoidance of nighttime movement. This study demonstrated the significance of the multiple-method approach in drawing robust conclusions on temporal patterns of animal movement.
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Affiliation(s)
- Shun Hongo
- The Center for African Area Studies, Kyoto University, 46, Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto, Kyoto, Japan
| | - Yoshihiro Nakashima
- Department of Forest Science and Resources, Nihon University College of Bioresource Science, 1866, Kameino, Fujisawa, Kanagawa, Japan
| | - Etienne François Akomo-Okoue
- Institut de Recherche en Écologie Tropicale, Centre National de la Recherche Scientifique et Technologique (IRET–CENAREST), B.P. 13354, Libreville, Estuaire, Gabon
| | - Fred Loïque Mindonga-Nguelet
- Institut de Recherche en Écologie Tropicale, Centre National de la Recherche Scientifique et Technologique (IRET–CENAREST), B.P. 13354, Libreville, Estuaire, Gabon
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Population dynamics and ranging behaviours of provisioned silvered langur (Trachypithecus cristatus) in Peninsular Malaysia. Primates 2021; 62:1019-1029. [PMID: 34486090 DOI: 10.1007/s10329-021-00934-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 07/14/2021] [Indexed: 10/20/2022]
Abstract
Tourists are attracted to the Bukit Melawati Kuala Selangor (BMKS) of Peninsular Malaysia, a small hill park, for both its status as a historical site and the free-ranging silvered langurs (Trachypithecus cristatus) that come for provisioning. We assessed the population trends and group sizes of T. cristatus over 10 years in the BMKS and examined their ranging patterns. Comparisons of observed populations between 2005 (190 individuals) and 2017 (193 individuals) revealed the stable demography and group sizes of the six T. cristatus groups in the BMKS. Based on a total of 185 location points of the six groups in 2017, their mean ranging area was 3.6 ha with a range of 0.86-6.93 ha with extensive spatial overlap. We also found a significant positive relationship between the six groups' ranges and group sizes in 2017. Additionally, qualitative ecological comparisons with a previous study on T. cristatus in 1965 (before provisioning) suggest that the artificial food supply in the study area could modify the population dynamics and socioecology of T. cristatus. The modifications might alter their range size and territoriality in the BMKS. Overall, we found that provisioning had negative effects on the ecology of T. cristatus in the BMKS. Therefore, modifying management policies, such as banning feeding and implementing educational programs, may contribute to their proper conservation.
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Martínez-Íñigo L, Baas P, Klein H, Pika S, Deschner T. Home range size in central chimpanzees (Pan troglodytes troglodytes) from Loango National Park, Gabon. Primates 2021; 62:723-734. [PMID: 34218403 PMCID: PMC8410711 DOI: 10.1007/s10329-021-00927-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 06/21/2021] [Indexed: 11/25/2022]
Abstract
Ranging behavior has been studied extensively in eastern (Pan troglodytes schweinfurthii) and western (P. t. verus) chimpanzees, but relatively little is known regarding home ranges of the other two subspecies (P. t. ellioti; P. t. troglodytes). In this study, we determined the home range size and space use of a habituated community (Rekambo) of central chimpanzees living in a habitat mosaic in Loango National Park, Gabon. Data on travel routes were collected during follows between January 2017 and April 2019 (N = 670,616 relocations, collected over 640 days and 5690 h of observation). We used three methods for calculating home range size (minimum convex polygon, kernel density estimation, and biased random bridges). We compare our estimates to those obtained from prior genetic and camera trap studies of the Rekambo community and contrast them with estimates from other chimpanzee communities of the four chimpanzee subspecies. Depending on the methodology used, the home range size of the Rekambo community ranged between 27.64 and 59.03 km2. The location of the center of the home range remained relatively stable over the last decade, while the overall size decreased. The Rekambo home range is, therefore, one of the largest documented so far for chimpanzees outside savannah-woodland habitats. We discuss several explanations, including the presence of savannah, interspecies competition, and intercommunity interactions.
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Affiliation(s)
- Laura Martínez-Íñigo
- Interim Group Primatology, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany. .,Wild Chimpanzee Foundation - Guinean Representation, Commune de Dixinn, BP1487P, Conakry, Guinea.
| | - Pauline Baas
- Interim Group Primatology, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany
| | - Harmonie Klein
- Interim Group Primatology, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany
| | - Simone Pika
- Institute of Cognitive Science, Comparative BioCognition, Osnabrück University, Artilleriestrasse 34, 49076, Osnabrück, Germany
| | - Tobias Deschner
- Interim Group Primatology, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany
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van der Hoek Y, Binyinyi E, Ngobobo U, Stoinski TS, Caillaud D. Daily Travel Distances of Unhabituated Grauer's Gorillas (Gorilla beringei graueri) in a Low Elevation Forest. Folia Primatol (Basel) 2021; 92:112-125. [PMID: 33756464 DOI: 10.1159/000514626] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/20/2021] [Indexed: 01/05/2023]
Abstract
To accurately determine the space use of animals, we need to follow animal movements over prolonged periods, which is especially challenging for the critically endangered Grauer's gorillas (Gorilla beringei graueri) in eastern Democratic Republic of the Congo (DRC). As a consequence, we know little about Grauer's gorillas, particularly from the lower elevational parts of their range. Between 2016 and 2018, we tracked unhabituated Grauer's gorillas in lowland forests (500-1,000 m a.s.l.), at the community-managed Nkuba Conservation Area in Nord Kivu (DRC) to provide estimates of daily travel distances (DTD), daily displacement distances (DDD), and the linearity of recorded paths expressed as the Linearity Index (LI): DDD/DTD. We found an average DTD of ∼1.3 km (range 0.05-5.0 km), with temporal variation among monthly averages; specifically, an increase in travel distance over the June-August dry season resulting in peak travel distances at the beginning of the September-December wet season. Daily displacements showed similar temporal variation, which resulted in a lack of obvious temporal patterns in LI. We conclude that the movement patterns of Grauer's gorillas in lowland forests, which are characterized by larger DTD than those of Grauer's gorillas that inhabit highland habitats, show similarity to travel distances of other predominantly frugivorous gorillas. Moreover, the observed temporal patterns in space use may be tentatively linked to temporal changes in fruit availability or consumption. These observations have consequences for our understanding of the ecological role that Grauer's gorillas play and provide baseline data to estimate current and future distributions, abundances, and carrying capacities of this highly threatened animal.
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Affiliation(s)
| | | | - Urbain Ngobobo
- The Dian Fossey Gorilla Fund International, Musanze, Rwanda
| | | | - Damien Caillaud
- Department of Anthropology, University of California, Davis, California, USA
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Matthews JK, Ridley A, Kaplin BA, Grueter CC. Ecological and reproductive drivers of fission-fusion dynamics in chimpanzees (Pan troglodytes schweinfurthii) inhabiting a montane forest. Behav Ecol Sociobiol 2021. [DOI: 10.1007/s00265-020-02964-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Hanya G, Yoshihiro SI, Hayaishi S, Takahata Y. Ranging patterns of Japanese macaques in the coniferous forest of Yakushima: Home range shift and travel rate. Am J Primatol 2020; 82:e23185. [PMID: 32794210 DOI: 10.1002/ajp.23185] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/03/2020] [Accepted: 08/03/2020] [Indexed: 11/10/2022]
Abstract
Ranging is one of the most important behavioral adaptations for coping with seasonally fluctuating food and thermal conditions. We studied the ranging patterns, in particular home range shift and travel rate of Japanese macaques (Macaca fuscata) in the coniferous forest of Yakushima by tracking a group for 17 months. We also supplemented our data with records collected every August over a 5-year annual census. The macaque group used the eastern part of their home range from May to September and the western part during the rest of the year. The eastern part of the home range was largely primary forest in the national park, and the altitude was higher than in the western part. When they used the western part, the macaques ate more herbs and fruits from small-sized trees, the availability of which was higher in the logged forest. This east-west home range shift occurred repeatedly over multiple years. A neighboring group occupied the western part of the focal group's home range in summer, which the focal group did not use in that season. Both temperature and diet affected seasonal changes in the monthly average travel rate. Animals need more energy for thermoregulation when the temperature is low, so the macaques decreased their ranging efforts to save energy at times of low temperature. They increased their ranging distance to eat fungi, since their encounters with this food would increase with the total distance walked. They also increased their travel rate when eating flowers, which had lower food patch (tree) density than other foods such as fruits. The data supported the hypothesis that the macaques capitalize on habitat heterogeneity in a seasonally fluctuating habitat by shifting their home range and modifying their travel rate.
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Affiliation(s)
- Goro Hanya
- Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan.,Department of Zoology, Graduate School of Science, Kyoto University, Kyoto, Japan
| | | | - Shuhei Hayaishi
- Department of Zoology, Graduate School of Science, Kyoto University, Kyoto, Japan.,Faculty of Education, Kamakura Women's University, Kamakura, Japan
| | - Yukio Takahata
- School of Policy Studies, Kwansei Gakuin University, Sanda, Japan
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Comparisons of Activity Budgets, Interactions, and Social Structures in Captive and Wild Chimpanzees ( Pan troglodytes). Animals (Basel) 2020; 10:ani10061063. [PMID: 32575533 PMCID: PMC7341303 DOI: 10.3390/ani10061063] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/16/2020] [Accepted: 06/17/2020] [Indexed: 11/17/2022] Open
Abstract
Chimpanzees in zoos with sufficient and appropriate environmental enrichment devices are expected to exhibit behaviors, interactions, and societies similar to those in the wild. In this study, we compared the activity budgets of each observed behavior, characteristics of social grooming, and social networks of captive chimpanzees at Tama Zoological Park (Tama) with those of wild chimpanzees at Mahale Mountains National Park, Tanzania (Mahale), and tested our predictions. We surveyed 16 chimpanzees in both Tama and Mahale and recorded the behaviors and individuals in proximity of each focal individual and social grooming the focal individuals participated in. The proportion of time spent collecting foraging was significantly lower in Tama than in Mahale. Additionally, the percentage of mutual grooming was much higher in Tama than in Mahale. All focal individuals in Mahale performed mutual grooming interactions, including grooming handclasp (GHC) but this was not observed in Tama. The result of a high rate of mutual grooming in chimpanzees in Tama without GHC and the finding that individuals forming the core of their social network are sex independent suggest that chimpanzees placed in an appropriate environmental enrichment have idiosyncratic grooming or social features, even in captivity.
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Green SJ, Boruff BJ, Grueter CC. From ridge tops to ravines: landscape drivers of chimpanzee ranging patterns. Anim Behav 2020. [DOI: 10.1016/j.anbehav.2020.02.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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