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Urbanization does not increase“object curiosity”in vervet monkeys,but semi-urban individuals selectively explore food-related anthropogenic items

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Current Zoology 2024年第3期70卷 383-393页

作者： Lindsey Ellington Stephanie Mercier Alba Motes-Rodrigo Erica van de Waal Sofa Forss Behavioural&Physiological ecology University of GroningenP.O.Box 111039700 CCGroningenThe Netherlands department of ecology and evolution University of LausanneBiophore-CH-1015LausanneSwitzerland department of evolutionary Biology and Environmental Studies University of ZurichWinterthurerstrasse 190CH-8057ZurichSwitzerland School of Life Sciences University of KwaZulu-NatalPrivate Bag X01Scottsville3209South Africa

Urban environments expose animals to abundant anthropogenic materials and foods that facilitate foraging innovations in species with oppor-tunistic diets and high behavioral *** and exploration tendency are believed to be important behavioral traits for animals thriving in urban *** monkeys(Chlorocebus pygerythrus)are one of few primate species that have successfully adapted to urban environments,thus making them an ideal species to study these *** a within-species cross-habitat approach,we compared neophilia and exploration of novel objects(jointly referred to as"object curiosity")between semi-urban,wild,and captive monkeys to shed light on the cognitive traits facilitating urban *** measure"object curiosity:"we exposed monkeys to various types of novel stimuli and compared their approaches and explorative *** results revealed differences in the number of approaches and explorative behavior toward novel stimuli between the habitat types *** vervet monkeys were significantly more explorative than both semi-urban and wild troops,sug-gesting that positive experiences with humans and lack of predation,rather than exposure to human materials per se,influence object *** habitats,juvenile males were the most explorative age-sex *** is likely due to males being the dispersing sex and juveniles being more motivated to learn about their ***,we found that items potentially associated with human food,elicited stronger explorative responses in semi-urban monkeys than non-food related objects,suggesting that their motivation to explore might be driven by"anthrophilia'that is,their experience of rewarding foraging on similar anthropogenic food *** conclude that varying levels of exposure to humans,predation and pre-exposure to human food packaging explain variation in"object curiosity"in our sample of vervet monkeys.

关键词： animal urbanization neophilia novelty response object curiosity vervet monkeys

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Effects of Dietary Changes on the Gut Microbiota of Cynops orientalis

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Asian Herpetological Research 2024年第2期15卷 63-72页

作者： Yuting WANG Yuning XIE Siyu WU Wenwen ZHANG Xiner CHENG Zixuan LI Fangfei HAN Jiayi SHI Yingying SHI Zhirong HE Chunna ZHANG Yixin JIANG Na ZHAO Jiaqi LI Supen WANG College of Life Sciences Anhui Normal UniversityWuhu 241000AnhuiChina Nanjing Institute of Environmental Sciences Ministry of Ecology and Environment of ChinaNanjing 210042JiangsuChina School of ecology and Environment Anhui Normal UniversityWuhu 241002AnhuiChina Key Laboratory of Zoological Systematics and evolution Institute of ZoologyChinese Academy of SciencesBeijing 100101China

The gut microbiota plays a pivotal role in the maintenance of health for amphibians,and it has been fully recognized,but the effectiveness of various influencing factors has not yet been fully *** this association should be considered while the amphibian order Caudata is facing a severe situation of population decline and extinction,there is little understanding of the association between diets and the diversity of gut microbiota in the amphibian order ***,we conducted an extensive analysis of the gut microbiota of Cynops orientalis fed different diets using functional prediction and 16S rRNA amplicon sequencing ***,we found that wild individuals had greater gut microbial diversity and richness in comparison to captive ***,we identified the bacterial taxa associated with diets and observed differences in the relative abundance of gut microbiota among people on various ***,we have a predictive comprehension of the selection and adaptative significance of shared core ASVs in the gut microbiota in maintaining the healthy survival of *** in a large-scale spatiotemporal *** study emphasizes how diets alter the gut microbiota of Caudata and offers fresh perspectives on the conservation and captive management of species in Caudata.

关键词： 16S rRNA Caudata core microbiota diet gut microbiota

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Phylogenetic placement of bizarre karschiellid earwigs

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Insect Science 2024年第3期31卷 989-992页

作者： Petr Kocárek Ivona Horká Vojtěch Bonczek Markéta Kirstová department of Biology and ecology University of OstravaOstravaCzech Republic

Dear Editor,Karschiellidae are a mysterious group of earwigs that attract attention not only because of their interesting appearance and unexplained way of life but also mainly due to their unclear *** phylogenetic relationships of karschiellids remain speculative even 120 years since the family was described,above all due to the unavailability of DNA-grade material for molecular phylogenetic *** study includes successfully sequenced representatives of the Karschiellidae for the first time,and a probable evolutionary scheme and natural classification of karschiellids are proposed based on the constructed multigene phylogeny.

关键词： classification. phylogeny evolutionary

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A test of the species confidence hypothesis in dusky damselfish

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Current Zoology 2024年第1期70卷 79-86页

作者： Elle Overs Sydney Stump Isabel Severino Daniel T.Blumstein department of ecology and evolutionary Biology University of CaliforniaLos AngelesCA 90095-1606USA

Visual cues are important in both interspecific and intraspecific *** species confidence hypothesis proposes that animals are more attracted to conspecific colors and repelled by colors,not on their *** on terrestrial lizards and birds have tested the species confidence hypothesis and shown that conspecific colors elicit reduced antipredator *** date,the species confidence hypothesis has not been tested in the marine environment,specifically on coral reefs where color communication is of vital *** addressed this knowledge gap by measuring flight initiation distance(the distance an individual moves away from an approaching threat)in dusky damselfish(Stegastes nigricans)in response to an approaching disc of 1 of 4 different color treatments:conspecific,blue,yellow,and *** the species confidence hypothesis explained variation in damselfish flight initiation distance,then we expected individuals to tolerate closer approaches when approached by a conspecific *** addition,we calculated the color difference between each stimulus and its corresponding back-ground as a potential alternative explanation for flight *** tolerated the closest approach from the conspecific color stimulus;there were no significant differences between other colors and there was no support for the alternative color difference *** with similar terrestrial studies,these results are relevant to ecotourists'choice of swimsuit and wetsuit colors because color choice may modify naturalantipredatorbehavior.

关键词： antipredator behavior flight initiation distance risk assessment species confidence hypothesis Stegastes nigricans

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From germline genome to highly fragmented somatic genome:genome-wide DNA rearrangement during the sexual process in ciliated protists

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Marine Life Science & Technology 2024年第1期6卷 31-49页

作者： Liping Lyu Xue Zhang Yunyi Gao Tengteng Zhang Jinyu Fu Naomi A.Stover Feng Gao Key Laboratory of evolution&Marine Biodiversity(Ministry of Education) and Institute of Evolution&Marine BiodiversityOcean University of ChinaQingdao 266003China department of Biology Bradley UniversityPeoriaIL 61625USA Laoshan Laboratory Qingdao 266237China

Genomes are incredibly dynamic within diverse eukaryotes and programmed genome rearrangements(PGR)play important roles in generating genomic ***,genomes and chromosomes in metazoans are usually large in size which prevents our understanding of the origin and evolution of *** expand our knowledge of genomic diversity and the evolutionary origin of complex genome rearrangements,we focus on ciliated protists(ciliates).Ciliates are single-celled eukaryotes with highly fragmented somatic chromosomes and massively scrambled germline *** in ciliates occurs extensively by removing massive amounts of repetitive and selfish DNA elements found in the silent germline genome dur-ing development of the somatic *** report the partial germline genomes of two spirotrich ciliate species,namely Strombidium *** and Halteria grandinella,along with the most compact and highly fragmented somatic genome for *** provide the first insights into the genome rearrangements of these two species and compare these features with those of other *** analyses reveal:(1)DNA sequence loss through evolution and during PGR in *** has combined to produce the most compact and efficient nanochromosomes observed to date;(2)the compact,transcriptome-like somatic genome in both species results from extensive removal of a relatively large number of shorter germline-specific DNA sequences;(3)long chromosome breakage site motifs are duplicated and retained in the somatic genome,revealing a complex model of chromosome fragmentation in spirotrichs;(4)gene scrambling and alternative pro-cessing are found throughout the core spirotrichs,offering unique opportunities to increase genetic diversity and regulation in this group.

关键词： Alternative processing Ciliates Gene scrambling Genome rearrangement Germline genome Somatic genome

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Colorful facial markings are associated with foraging rates and affiliative relationships in a wild group-living cichlid fish

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Current Zoology 2024年第1期70卷 70-78页

作者： Brett M.Culbert James B.Barnett Isaac Y.Ligocki Matthew G.Salena Marian Y.L.Wong Ian M.Hamilton Sigal Balshine department of Integrative Biology University of GuelphGuelphOntarioCanada department of Psychology Neuroscience&BehaviourMcMaster UniversityHamiltonOntarioCanada department of evolution Ecologyand Organismal BiologyThe Ohio State UniversityColumbusOHUSA department of Biology Millersville UniversityMillersvillePAUSA School of Earth Atmospheric and Life SciencesUniversity of WollongongWollongongNew South WalesAustralia department of Mathematics The Ohio State UniversityColumbusOHUSA

Many animals use color to signal their quality and/or behavioral *** signals have been well studied in the contexts of competi-tion and mate choice;however,the role of these signals in nonsexual,affiliative relationships is not as well ***,we used wild social groups of the cichlid fish Neolamprologus pulcher to investigate whether the size of a brightly colored facial patch was related to 1)individual quality,2)social dominance,and/or 3)affiliative *** with larger patches spent more time foraging and tended to perform more aggressive acts against conspecific territory *** did not find any evidence that the size of these yellow patches was related to social rank or body size,but dominant males tended to have larger patches than dominant ***,patch size had a rank-specific relationship with the number of affiliative interactions that individuals engaged *** males with large patches received fewer affiliative acts from their groupmates compared to dominant males with small ***,subordinates with large patches tended to receive more affiliative acts from their groupmates while performing fewer affiliative acts *** together,our results suggest that patch size reflects interindividual variation in foraging effort in this cichlid fish and offer some of the first evidence that colorful signals may shape affiliative relationships withinwildsocialgroups.

关键词： affiliation foraging Lake Tanganyika Neolamprologus pulcher visual signals

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Role of climatic variability in shaping intraspecific variation of thermal tolerance in Mediterranean water beetles

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Insect Science 2024年第1期31卷 285-298页

作者： Susana Pallarés David Garoffolo Belén Rodríguez David Sánchez-Fernández department of Zoology University of SevilleSevilleSpain Faculty of Biology Department of Ecology and HydrologyUniversity of MurciaCampus EspinardoMurciaSpain

The climatic variability hypothesis(CVH)predicts that organisms in more thermally variable environments have wider thermal breadths and higher thermal plasticity than those from more stable ***,due to evolutionary trade-offs,taxa with greater absolute thermal limits may have little plasticity of such limits(trade-off hypothesis).The CVH assumes that climatic variability is the ultimate driver of thermal tolerance variation across latitudinal and altitudinal gradients,but average temperature also varies along such *** explored intraspecific variation of thermal tolerance in three typical Mediterranean saline water beetles(families Hydrophilidae and Dytiscidae).For each species,we compared two populations where the species coexist,with similar annual mean temperature but contrasting thermal variability(continental *** population).We estimated thermal limits of adults from each population,previously acclimated at 17,20,or 25℃.We found species-specific patterns but overall,our results agree with the CVH regarding thermal ranges,which were wider in the continental(more variable)*** the two hydrophilid species,this came at the cost of losing plasticity of the upper thermal limit in this population,supporting the trade-off hypothesis,but not in the dytiscid *** results support the role of local adaptation to thermal variability and trade-offs between basal tolerance and physiological plasticity in shaping thermal tolerance in aquatic ectotherms,but also suggest that intraspecific variation of thermal tolerance does not fit a general pattern among aquatic *** such intraspecific variation could lead to inaccurate predictions of the vulnerability of aquatic insects to global warming.

关键词： acclimation capacity aquatic insects climate change heat coma temperature supercooling point thermal plasticity

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Artificial light at night(ALAN) pollution alters bat lunar chronobiology:insights from broad-scale long-term acoustic monitoring

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Ecological Processes 2024年第01期13卷 176-187页

作者： Han Li Pauline Allen Saige Boris Samantha Lagrama Jade Lyons Christina Mills Pauline Moussi Casey Nichols Carter Tacosik Mc Kenzie Tsaousis Nyzaya Livingston Wilson John F.Grider Kevin A.Parker Matina C.Kalcounis-Rueppell department of Biology University of Nebraska Omaha department of Biology University of North Carolina Greensboro Colorado Parks and Wild-life Parker ecology LLC department of Biological Sciences University of Alberta

Background The timing of behavior and habitat use of nocturnal animals can be influenced by the lunar cycle in nature. The prevalence of artificial light at night(ALAN) has been recognized as a source of environmental pol-lution. The interaction between ALAN and the lunar cycle on bat behavior is important for understanding anthro-pogenic effects on bats. We utilized a decade(2012–2022) of acoustic monitoring data collected in North Carolina, United States, to investigate the relationship between bat activity, lunar cycle, and light pollution. We examined whether the amount of lunar illumination affected species-specific nightly activity and whether hourly bat activity patterns varied between nights with different moon phases. We further investigated if the relationship between bat activity and the lunar cycle might be altered by light *** We found that seven bat species showed activity variation across nights in relation to the amount of moon illumination when ALAN was absent. In general, bats were less active on full moon nights compared to new moon nights. Light pollution interacted with the bat–lunar relationship in five of the seven species, masking the effect of the lunar cycle. We identified delayed bat activity patterns on nights with a full or waxing moon in seven species, and light pollution altered that pattern in four species. Overall, ALAN was associated with decreased bat activity inde-pendent of lunar cycle *** Our study demonstrated that at a broad spatial scale, ALAN negatively affected many North American temperate bat species and altered their lunar chronobiology. As light pollution is spreading to historically dark areas and habitats, ALAN might couple with other threats, such as the white-nose syndrome or climate change, to cause cascading damage in the environment that depends on ecosystem services such as pest control provided by bats. We argue that further research and conservation actions are needed to mitigate

关键词： Artificial light at night ALAN Bats Chiroptera Chronobiology Light pollution Lunar cycle Moonlight

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Decline in tree-ring growth of Picea mongolica and its intra-annual eco-physiological responses to drought and CO_(2) enrichment in semi-arid China

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Journal of Forestry Research 2024年第4期35卷 89-101页

作者： Xiaomin Zeng Ping Ni Xiaohong Liu Wenzhi Wang Yao Li Wenchao Wang School of Geography and Tourism Shaanxi Normal UniversityXi’an 710119People’s Republic of China The Key Laboratory of Mountain Environment evolution and Regulation Institute of Mountain Hazards and EnvironmentChinese Academy of SciencesChengdu 610041People’s Republic of China CAS Key Laboratory of Forest ecology and Management Institute of Applied EcologyChinese Academy of SciencesShenyang 110016People’s Republic of China University of Chinese Academy of Sciences Beijing 100049People’s Republic of China

Episodes of drought-induced decline in tree growth and mortality are becoming more frequent as a result of climate warming and enhanced water stress in semi-arid ***,the ecophysiological mechanisms under-lying the impact of drought on tree growth remains *** this study,earlywood and latewood tree-ring growth,δ^(13)C,andδ^(18)O chronologies of Picea mongolica from 1900 to 2013 were developed to clarify the intra-and inter-annual tree-ring growth responses to increasingly fre-quent *** results indicate that annual basal area increment residuals(BAI_(res)),which removed tree age and size effects,have significantly decreased since ***-ever,the decreasing trend of earlywood BAI_(res) was higher than that of *** response analysis suggests that the dominant parameters for earlywood and latewood proxies(BAI_(res),δ^(13)C andδ^(18)O)were drought-related climate variables(Palmer drought severity index,temperature,rela-tive humidity,and vapor pressure deficit).The most signifi-cant period of earlywood and latewood proxies’responses to climate variables were focused on June-July and July-August,***_(res),andδ^(13)C were significantly affected by temperature and moisture conditions,whereasδ^(18)O was slightly *** stomatal conduct-ance due to drought outweighed the influence of increasing CO_(2) on intrinsic water use efficiency(iWUE),and ultimately led to a decline in BAI_(res).Compared to latewood,the faster decreasing BAI_(res) and smaller increasing iWUE of early-wood suggested trees were more vulnerable to water stress in the early growing *** study provides insights into the inter-and intra-annual mechanisms of tree-ring growth in semi-arid regions under rising CO_(2) and climate change.

关键词： Tree growth Drought Water-use efficiency Seasonal differences Stable isotopes

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Life forms affect beta-diversity patterns of larch forests in China

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Plant Diversity 2024年第1期46卷 49-58页

作者： Wenjing Fang Qiong Cai Chengjun Ji Jiangling Zhu Zhiyao Tang Jingyun Fang School of ecology and Environmental Science Yunnan UniversityKunming 650091China department of ecology College of Urban and Environmental Sciencesand Key Laboratory for Earth Surface Processes of the Ministry of EducationPeking UniversityBeijing 100871China

Beta-diversity reflects the spatial changes in community species composition which helps to understand how communities are assembled and biodiversity is formed and maintained. Larch(Larix) forests, which are coniferous forests widely distributed in the mountainous and plateau areas in North and Southwest China, are critical for maintaining the environmental conditions and species diversity. Few studies of larch forests have examined the beta-diversity and its constituent components(species turnover and nestedness-resultant components). Here, we used 483 larch forest plots to determine the total betadiversity and its components in different life forms(i.e., tree, shrub, and herb) of larch forests in China and to evaluate the main drivers that underlie this beta-diversity. We found that total betadiversity of larch forests was mainly dependent on the species turnover component. In all life forms,total beta-diversity and the species turnover component increased with increasing geographic, elevational, current climatic, and paleoclimatic distances. In contrast, the nestedness-resultant component decreased across these same distances. Geographic and environmental factors explained 20%-25% of total beta-diversity, 18%-27% of species turnover component, and 4%-16% of nestedness-resultant component. Larch forest types significantly affected total beta-diversity and species turnover component. Taken together, our results indicate that life forms affect beta-diversity patterns of larch forests in China, and that beta-diversity is driven by both niche differentiation and dispersal limitation. Our findings help to greatly understand the mechanisms of community assemblies of larch forests in China.

关键词： Beta-diversity Species turnover Nestedness-resultant Geographic distance Climatic distance Larch forest

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