Acta Oecologica-International Journal of Ecology最新文献

{"title":"Crown complementarity rather than crown selection contributes to stem complementarity in genetic mixtures of Pinus taeda L","authors":"David R. Carter ,&nbsp;Timothy J. Albaugh ,&nbsp;Matthew Sumnall ,&nbsp;Jake J. Grossman ,&nbsp;Otávio C. Campoe ,&nbsp;Rachel L. Cook ,&nbsp;Rafael A. Rubilar ,&nbsp;Chris A. Maier ,&nbsp;T. Adam Coates ,&nbsp;Julia DeFeo ,&nbsp;Grady J. Boyle ,&nbsp;Megan Van Spanje","doi":"10.1016/j.actao.2025.104058","DOIUrl":"10.1016/j.actao.2025.104058","url":null,"abstract":"<div><div>Increased genotypic diversity has been associated with increased biomass production in short-rotation tree species. Few studies have investigated potential mechanisms which might explain why genetic diversity increases productivity. We leveraged an existing study which deployed clones, control-pollinated, and open pollinated genotypes of <em>Pinus taeda</em> L. (loblolly pine) with large and small crown ideotypes. Building on a previous study which found increased stem volume in genotypic mixtures, we measured crown characteristics, using a drone-based LiDAR, in genetic mixtures of loblolly pine in Virginia and North Carolina to test for: (1) aboveground spatial niche partitioning and (2) if this partitioning was associated with greater stem volume. Overall, we found no evidence that differences in crown sizes by ideotype led to aboveground spatial niche partitioning, resulting in greater overall crown size or stem volume when grown in mixture. Instead, genotypic mixtures overall, as opposed to genotypic monocultures, consistently had greater crown area, crown volume, and stem volume. Additionally, competition intensity decreased under genetic mixtures despite that these conditions led to greater overall stem and crown sizes than genotypic monocultures. No increase in aboveground spatial partitioning or individual-tree LAI in genotypic mixtures suggests greater radiation-use efficiency. Increases in radiation-use efficiency are primarily driven by belowground resource acquisition which suggests these mixtures may be capable of greater belowground resource exploitation. We found mixtures to outgrow pure conditions on average 4%–5% per tree (0.002–0.008 m³ per tree) by ages 8–9.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104058"},"PeriodicalIF":1.3,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Northward shifting in the distribution of optimal niches for Tuber aestivum, Tuber melanosporum, and their ectomycorrhizal tree partners in Europe","authors":"R. Wilgan ,&nbsp;M.K. Dyderski ,&nbsp;M. Pietras ,&nbsp;Ł. Walas ,&nbsp;M. Kolanowska ,&nbsp;T. Leski","doi":"10.1016/j.actao.2025.104057","DOIUrl":"10.1016/j.actao.2025.104057","url":null,"abstract":"<div><div>Truffles are valuable edible fungi, which form an ectomycorrhizal symbiosis with trees, thus their distribution depends on the presence of appropriate tree partners. Global warming threatens truffles and trees in the Mediterranean Basin, hence the future of truffle cultivation in this region.</div><div>We aimed to predict the potential distribution of Tuber melanosporum, <em>T. aestivum</em>, and their tree partners in Europe under changing climate. We compared the results obtained among widespread (Quercus robur, Corylus avellana), common in the Mediterranean region (Q.ilex, Castanea sativa), and non-native tree used in truffle orchards in the United States (Carya illinoinensis). We used distribution data from GBIF and literature. Using MaxEnt models, we prepared species distribution models related to climate change between 2020 and 2080 based on 19 bioclimatic variables, distribution data of trees, and climate change scenarios A1b, A2a, and B2b.</div><div>We predicted a northward shift in the future distribution of niches for truffles and trees, a major decrease in the area of niches for truffles in southern Europe, and a substantial increase in central and northern Europe. The general trend was common for tested species and climatic scenarios. The distribution of ectomycorrhizal trees was the predictor of highest importance for truffles. Among climatic variables, precipitation of coldest quarter, temperature seasonality, and annual mean temperature contributed the highest importance.</div><div>Because the consequences of global warming seriously threaten truffles and their tree partners in southern Europe but generate novel climatic niches for these species in regions situated further north, we suggest that cultivation of truffles should be moved northward along with patterns of climate change.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104057"},"PeriodicalIF":1.3,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of rare and common species on the functional diversity of forest birds in a palm-dominated landscape in the Eastern Amazon","authors":"Beatriz Tavares Pinheiro ,&nbsp;Sara Miranda Almeida ,&nbsp;Marcos Pérsio Dantas Santos","doi":"10.1016/j.actao.2025.104060","DOIUrl":"10.1016/j.actao.2025.104060","url":null,"abstract":"<div><div>The advance of industrial agriculture in the Amazon is a major threat to biodiversity. It is causing intense deforestation to make way for cattle ranching and monocultures such as oil palm. Forest loss can alter the distribution and population size of rare species, which are often limited in number or range, affecting the functional structure of communities and the ecosystem services they provide. Here, we assessed the contribution of rare and common species to the functional diversity of forest bird communities in a landscape dominated by oil palm plantations. We sampled birds in plantations and forest fragments in the eastern Amazon, Brazil. A total of 232 bird species were recorded, 198 in the fragments and 53 in the plantations. We calculated a rarity index for each species occurring in forest fragments, combining local abundance, geographic range, and habitat specificity. We calculated functional richness (FRic), functional originality (FOri), functional specialization (FSpe), and community-weighted trait means (CWM), and then compared these metrics between forest and plantation communities across three scenarios: 1) total species <em>pool</em> recorded in forest <em>versus</em> plantation, 2) removal of the rarest species, and 3) removal of common species. Removal of rare species increased functional diversity but decreased functional redundancy. Conversely, removal of common species decreased FOri and FSpe values, demonstrating that common forest bird species make unique functional contributions. We conclude that the loss of both rare and common species affects forest bird communities. Therefore, conservation and protection of forested areas is essential to ensure ecosystem health and resilience.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104060"},"PeriodicalIF":1.3,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"When zombies go vegan: Ophiocordyceps unilateralis hosts are selecting to bite palm leaves before dying?","authors":"Fernando S. Andriolli ,&nbsp;J. Aragão Cardoso Neto ,&nbsp;Paul V.A. Fine ,&nbsp;Diego Salazar ,&nbsp;Giovanna Figueroa ,&nbsp;Diego V. Torres ,&nbsp;J. Wellington de Morais ,&nbsp;Fabricio B. Baccaro","doi":"10.1016/j.actao.2024.104055","DOIUrl":"10.1016/j.actao.2024.104055","url":null,"abstract":"<div><div>Some parasites that modify hosts' behavior can receive reproductive advantages. For instance, when infected by <em>Ophiocordyceps unilateralis s.l.</em>, ants climb understory plants, lock their jaws into the plant tissue, and die in stable microclimatic conditions that favor the reproductive stage of the fungus. However, the so-called “zombie ants” could die on different species of plants, subject to varying environmental pressures. Here, we investigated whether infected ants lock their jaws on particular species of understory plants more often than expected before dying from the infection. We hypothesize that there may be different reproductive advantages to the parasite based on the plant species on which its hosts die. Our findings reveal that 36.3% of the infected ants died on palm trees, specifically <em>Attalea</em> sp. and <em>Euterpe catinga</em>, more frequently than expected by chance. Also, we found that cadavers tend to persist longer on palms than other plants. Our results suggest that there may be a reproductive advantage for the parasite when its hosts die on palm leaves. Palms generally have long leaf durability, which can reduce parasite cadaver loss by foliar abscission and increase cumulative spore dispersal. Furthermore, we propose abundant plant species with no observance of cadavers potentially have traits like trichome coating and antifungal compounds that may influence the arrival and permanence of new zombie ants. Our results show that infected ants dying on certain understory palm species may increase the fungus’ fitness.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104055"},"PeriodicalIF":1.3,"publicationDate":"2025-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fear vs feeding: Disentangling the consumptive and non-consumptive effects of Lutzia fuscana on Anopheles stephensi for biocontrol approach","authors":"Susobhan Datta Mudi,&nbsp;Pranesh Paul,&nbsp;Susmita Roy,&nbsp;Goutam K. Saha,&nbsp;Gautam Aditya","doi":"10.1016/j.actao.2024.104056","DOIUrl":"10.1016/j.actao.2024.104056","url":null,"abstract":"<div><div>The vector mosquito, <em>Anopheles stephensi</em> Liston, 1901, transmits malaria-causing parasites and leads to millions of human deaths globally, which calls for effective management strategies. Traditional management strategies often rely heavily on chemical insecticides, resulting in insecticide resistance in mosquitoes. In this context, this study explores the efficiency of <em>Lutzia fuscana</em> Wiedemann, 1820 larvae as a biological control agent of <em>An. stephensi</em> in the larval habitats. The predation efficiency (consumptive effect) of <em>Lz. fuscana</em> on <em>An. stephensi</em>, along with the non-consumptive effects (NCEs) on <em>An. stephensi</em> life history traits were examined under laboratory conditions. Additionally, the oviposition behaviour of <em>An. stephensi</em> was observed in the presence of <em>Lz. fuscana</em> cues and larvae. The results exhibited that <em>Lz. fuscana</em> larva consumed ∼21 <em>An. stephensi</em> larvae day⁻¹ with ∼62 min of handling time, as estimated by the type II functional response curve. The NCEs of <em>Lz. fuscana</em> on <em>An. stephensi</em> were mostly positive, as the age at pupation decreased, and the pupal weight, adult dry weight and wing length increased more than the control in the presence of predator cues, caged <em>Lz. fuscana</em>, and conspecific kill. Conversely, <em>An. stephensi</em> laid significantly lower eggs in the presence of predator cues and <em>Lz. fuscana</em>. Therefore, <em>Lz. fuscana</em> can be utilized as a potential biological control agent against <em>An. stephensi</em> in the larval habitats. The findings of this study are expected to deepen our understanding of both consumptive and non-consumptive effects of predators on mosquitoes, offering insights that could enhance mosquito control strategies.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104056"},"PeriodicalIF":1.3,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of soil depth on stoichiometry was greater than that of elevation in Abies georgei var. Smithii forest in Southeastern Tibet, China","authors":"Si-jie Zhu ,&nbsp;Jiang-rong Li ,&nbsp;Bo Zhang ,&nbsp;Fang-wei Fu ,&nbsp;Liang-na Guo","doi":"10.1016/j.actao.2024.104053","DOIUrl":"10.1016/j.actao.2024.104053","url":null,"abstract":"<div><div>High-frigid forest soil, as one of the most vulnerable terrestrial carbon reservoirs, exhibits a considerable sensitivity to climate change, potentially influencing soil carbon (C), nitrogen (N), and phosphorus (P) cycles significantly. However, the specific and quantitative impacts of elevation gradients on these soil stoichiometric parameters are yet to be fully elucidated and constitute the primary research objectives of this study. In this study, we investigated stoichiometric characteristics at soil depths of 0–10 cm, 10–20 cm, and 20–30 cm, and along gradients of elevation at 3500 m, 3900 m, and 4300 m a.s.l. In <em>Abies georgei</em> var. <em>Smithii</em> forest at the Sygera Mountains of southeastern Tibet. The results showed that: (1) Soil organic carbon (SOC), total nitrogen (TN), and total phosphorus (TP) exhibited U-shaped changes with the increase in elevation, ranging from 53.14 to 70.73 g kg⁻¹, 2.78–3.32 g kg⁻¹, 0.41–0.62 g kg⁻¹, the content of nitrate nitrogen (NO₃⁻-N) in soil was not significantly different at different elevations; (2) The contents of ammonium nitrogen (NH₄⁺-N), nitrate nitrogen (NO₃⁻-N), available phosphorus (AP) and available nitrogen (AN) in surface soil were the highest at different elevations; (3) Soil C:N showed a U-shaped change trend with the increase in elevation, while C:P and N:P decreased with the increase in elevation, and the ranges of C:N, C:P and N:P were 18.50–21.65, 116.69–156.38 and 5.47–7.70, respectively; (4) The soil depth had a more pronounced influence on C:N compared to elevation, whereas the elevation factor significantly impacted both C:P and N:P to a greater extent; (5) The soil of the Sygera Mountains is nitrogen-rich but phosphorus-restricted. These findings contribute to our understanding of the macroecological pattern of C:N:P in High-frigid forest ecosystems and provide valuable basic data support for forest management and conservation in this region in the future.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104053"},"PeriodicalIF":1.3,"publicationDate":"2024-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How is the community of arbuscular mycorrhizal fungi composed and ordered in phytophysiognomies in the transition between cerrado (savanna) and amazon biomes?","authors":"Maristela Volpato ,&nbsp;Eliane Maria Ribeiro da Silva ,&nbsp;Marcos Gervasio Pereira ,&nbsp;Fábio Henrique Della Justina do Carmo ,&nbsp;Lucas Medeiros Fagundes","doi":"10.1016/j.actao.2024.104054","DOIUrl":"10.1016/j.actao.2024.104054","url":null,"abstract":"<div><div>Given the ecological complexity of the transition region between the Cerrado and Amazon biomes and the importance of arbuscular mycorrhizal fungi (AMF) as a soil biological component, the knowledge of the communities of these fungi in different phytophysiognomies of a biome is important for biodiversity conservation. This study aimed to identify and compare AMF communities between areas of Savanna Forested (SF) and Submontane Evergreen Seasonal Forest (SESF) in the transition region between the Cerrado and Amazon in the state of Mato-Grosso (Brazil). This region is one of the most extensive savanna-forest transitions in the world. By analyzing the relationships between soil attributes and phytophysiognomies, we demonstrated that the composition of the arbuscular mycorrhizal fungi community was similar among phytophysiognomies. However, there was a difference in total abundance of spores, which was higher in SF than SESF. The main factors related to total spore abundance were land surface temperature (positively) and silt content (negatively), whereas for mycorrhizal fungal species richness, the main factor was the phosphorus content of the litter (negatively). In terms of species, <em>Glomus clavisporum</em>, <em>Glomus glomerolatum,</em> and <em>Glomus</em> sp. Were associated with vegetation-related attributes.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104054"},"PeriodicalIF":1.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of desert annual plant decomposition on soil microbial community","authors":"Sherman Chen,&nbsp;Vainberg Noy,&nbsp;Doniger Tirza,&nbsp;Steinberger Yosef","doi":"10.1016/j.actao.2024.104051","DOIUrl":"10.1016/j.actao.2024.104051","url":null,"abstract":"<div><div>Desert ecosystems are characterized by harsh abiotic conditions with low annual rainfall, unpredictable in time, frequency, and dispersion. In such a system, the soil microflora should fulfill its biological and functional role by decomposing plant organic matter. This study evaluated the effect of annual-plant decomposition on soil microbial community composition and functional diversity. We assumed that the microbial functional diversity values would be related to the amount of lignin litter content.</div><div>We collected soil samples and plant litter of two annual plants, <em>Avena wiestii</em> and <em>Reboudia pinnata</em>, common in the Negev mountain area, Israel<em>,</em> during four seasons. Genetic characterization of the soil microbial community was carried out. Our results indicate that the presence of plant litter in the soil causes many changes in the size, composition, and diversity of a soil microbial community. Functional diversity values were affected by adjacency to litter in the four seasons. Soil and litter moisture and organic matter were affected by season and plant type. Soil and litter microbial biomass and respiration decreased as the decomposition process progressed. There was a decrease in the utilization of all four carbon groups when measuring the catabolic profile of the microbial community.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104051"},"PeriodicalIF":1.3,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unveiling the association of mangrove flowering phenology on the dynamics of insect abundance","authors":"Tania Chatterjee ,&nbsp;Souparna Chakrabarty ,&nbsp;Bulganin Mitra ,&nbsp;Punarbasu Chaudhuri","doi":"10.1016/j.actao.2024.104052","DOIUrl":"10.1016/j.actao.2024.104052","url":null,"abstract":"<div><div>Mangroves are ecologically unique ecosystems supporting large biodiversity. Climate change and anthropogenic interferences led to continuous decline of mangroves worldwide. Simultaneously, continuous decline in pollinators, have put these primarily insect-pollinated ecosystems under threat. Therefore, to understand seasonal and interannual variation in floral-visitor population, study of insect-visitor abundance in relation to flowering phenology is critical. In this context, present study (2022–2023) was conducted in the mangrove belt of Purba Medinipur, West Bengal, India. We observed quantitative floral availability as flowering phenology of four dominant mangrove species: <em>Avicennia marina, Avicennia officinalis, Aegiceras corniculatum</em>, and <em>Acanthus ilicifolius</em>. We also examined the seasonal and interannual variation in insect abundance within the mangrove community via pan traps. To identify potential pollinator groups among insects from the pan traps, we studied foraging behaviour of these insect visitors separately. Finally, we investigated the relationship between floral availability and insect-visitor abundance.</div><div>In this study, a total 35 insect species of eight orders were collected across all pan traps, among which, 19 species were classified as potential pollinators. Hymenoptera was most abundant in pan trap captures, followed by Diptera, Lepidoptera and Coleoptera. Significantly higher insect abundance was observed during the peak flowering at community-level. There was no interannual variation in insect abundance between two years. This is the first comprehensive quantitative study identifying potential mangrove pollinators and demonstrating their positive relationship with floral availability, which affecting pollinator abundance. This also indicates that, steady supply of floral availability is required for maintaining the pollinator abundance in the community.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104052"},"PeriodicalIF":1.3,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the factors shaping the invertebrate community and habitat selection in a new Hotspot of Subterranean Biodiversity in South America","authors":"Gabriel Augusto Silva Vaz ,&nbsp;Marconi Souza-Silva ,&nbsp;Alicia Helena Souza Rodrigues Ferreira ,&nbsp;Rodrigo Lopes Ferreira","doi":"10.1016/j.actao.2024.104043","DOIUrl":"10.1016/j.actao.2024.104043","url":null,"abstract":"<div><div>Caves serve as exceptional ecological models for studying the environmental factors that shape biological communities. However, there has been limited exploration into understanding how these environmental factors affect communities’ distribution and responses to habitat traits within the same cave system. To address this gap, we employed standardized sampling methodologies across two scales within a limestone cave located in the Brazilian semi-arid region (Pedro Cassiano cave). Our objective was to uncover how substrate characteristics and conditions may contribute to variations in the composition and richness of invertebrates (troglobitic and non-troglobitic). Furthermore, we aimed to comprehend the habitat selection of some troglobitic species. This particular cave hosts a rich fauna, with 21 obligate cave species (20 invertebrates and 1 fish), which positions it as new Hotspot of Subterranean Biodiversity (term used for caves that have 20 or more troglobitic species) in South America. Pedro Cassiano Cave has two separate tributary drainages that flow from its final section and merge into a single drainage system that exits through the cave entrance (resurgence). We observed that the distribution of non-troglobitic invertebrate richness differed when each tributary branch was analyzed independently, indicating that the distribution patterns of subterranean species can be complex. Microhabitat characteristics such as heterogeneity, the amount of sand, and the availability of trophic resources explained a significant portion of the invertebrate community distribution in this cave, although this influence was scale-dependent. Finally, we emphasized the urgency of conservation efforts for this important cave.</div></div>","PeriodicalId":55564,"journal":{"name":"Acta Oecologica-International Journal of Ecology","volume":"126 ","pages":"Article 104043"},"PeriodicalIF":1.3,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143135881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}