journal
https://read.qxmd.com/read/38533352/the-paradox-of-plant-preference-the-malaria-vectors-anopheles-gambiae-and-anopheles-coluzzii-select-suboptimal-food-sources-for-their-survival-and-reproduction
#1
JOURNAL ARTICLE
Prisca S L Paré, Domonbabele F D S Hien, Mariam Youba, Rakiswendé S Yerbanga, Anna Cohuet, Louis-Clément Gouagna, Abdoulaye Diabaté, Rickard Ignell, Roch K Dabiré, Olivier Gnankiné, Thierry Lefèvre
Anopheles gambiae and Anopheles coluzzii mosquitoes, two major malaria vectors in sub-Saharan Africa, exhibit selectivity among plant species as potential food sources. However, it remains unclear if their preference aligns with optimal nutrient intake and survival. Following an extensive screening of the effects of 31 plant species on An. coluzzii in Burkina Faso, we selected three species for their contrasting effects on mosquito survival, namely Ixora coccinea , Caesalpinia pulcherrima , and Combretum indicum ...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529029/metabarcoding-reveals-unique-microbial-mat-communities-and-evidence-of-biogeographic-influence-in-low-oxygen-high-sulfur-sinkholes-and-springs
#2
JOURNAL ARTICLE
Davis Fray, Callahan A McGovern, Dale A Casamatta, Bopaiah A Biddanda, Sarah E Hamsher
High-sulfur, low-oxygen environments formed by underwater sinkholes and springs create unique habitats populated by microbial mat communities. To explore the diversity and biogeography of these mats, samples were collected from three sites in Alpena, Michigan, one site in Monroe, Michigan, and one site in Palm Coast, Florida. Our study investigated previously undescribed eukaryotic diversity in these habitats and further explored their bacterial communities. Mat samples and water parameters were collected from sulfur spring sites during the spring, summer, and fall of 2022...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529028/an-easily-implemented-single-visit-survey-method-for-intermittently-available-and-imperfectly-detectable-wildlife-applied-to-the-florida-east-coast-diamondback-terrapin-malaclemys-terrapin-tequesta
#3
JOURNAL ARTICLE
Eric D Stolen, David R Breininger, Daniel J Breininger, Robert D Breininger
Single-visit surveys of plots are often used for estimating the abundance of species of conservation concern. Less-than-perfect availability and detection of individuals can bias estimates if not properly accounted for. We developed field methods and a Bayesian model that accounts for availability and detection bias during single-visit visual plot surveys. We used simulated data to test the accuracy of the method under a realistic range of generating parameters and applied the method to Florida's east coast diamondback terrapin in the Indian River Lagoon system, where they were formerly common but have declined in recent decades...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529027/climate-driven-mitochondrial-selection-in-lacertid-lizards
#4
JOURNAL ARTICLE
Xiang Zhang, Jian Chen, Hong-Yu Luo, Xin Chen, Jun Zhong, Xiang Ji
The mitochondrion, which is an intracellular organelle responsible for most of the energy-producing pathways, can have its genome targeted for climate-driven selection. However, climate-driven mitochondrial selection remains a sparsely studied area in reptiles. Here, we reported the complete mitochondrial genome sequence of a lacertid lizard ( Takydromus intermedius ) and used mitogenomes from 54 species of lacertid lizards to study their phylogenetic relationships and to identify the mitochondrial genes under positive selection by climate...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529026/no-recovery-in-the-biomass-of-flying-insects-over-the-last-decade-in-german-nature-protected-areas
#5
JOURNAL ARTICLE
Roland Mühlethaler, Sebastian Köthe, Thomas Hörren, Martin Sorg, Lisa Eichler, Gerlind U C Lehmann
Five years after a German study on insect biomass described a multi-decade decline in nature protected habitats, the DINA (Diversity of Insects in Nature protected Areas) project has investigated the status of insects in 21 selected nature reserves across Germany in the years 2020 and 2021. We used the same methods and protocols for trapping and measuring the biomass of flying insects as in the earlier study. Across two vegetation periods, we accumulated a comprehensive data set of 1621 data points of two-week emptying intervals to evaluate the insect biomass along gradients from arable land into nature reserves through transects of Malaise traps...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529025/plant-species-within-streptanthoid-complex-associate-with-distinct-microbial-communities-that-shift-to-be-more-similar-under-drought
#6
JOURNAL ARTICLE
Alexandria N Igwe, Ian S Pearse, Jessica M Aguilar, Sharon Y Strauss, Rachel L Vannette
Prolonged water stress can shift rhizoplane microbial communities, yet whether plant phylogenetic relatedness or drought tolerance predicts microbial responses is poorly understood. To explore this question, eight members of the Streptanthus clade with varying affinity to serpentine soil were subjected to three watering regimes. Rhizoplane bacterial communities were characterized using 16S rRNA gene amplicon sequencing and we compared the impact of watering treatment, soil affinity, and plant species identity on bacterial alpha and diversity...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529024/bioenergetic-modelling-of-a-marine-top-predator-s-responses-to-changes-in-prey-structure
#7
JOURNAL ARTICLE
Mariana P Silva, Cláudia Oliveira, Rui Prieto, Mónica A Silva, Leslie New, Sergi Pérez-Jorge
Determining how animals allocate energy, and how external factors influence this allocation, is crucial to understand species' life history requirements and response to disturbance. This response is driven in part by individuals' energy balance, prey characteristics, foraging behaviour and energy required for essential functions. We developed a bioenergetic model to estimate minimum foraging success rate (FSR), that is, the lowest possible prey capture rate for individuals to obtain the minimum energy intake needed to meet daily metabolic requirements, for female sperm whale ( Physeter macrocephalus )...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529023/on-the-distribution-and-habitat-use-of-the-sub-antarctic-fly-hyadesimyia-clausa-bigot-diptera-tachinidae-according-to-citizen-science
#8
JOURNAL ARTICLE
Rodrigo M Barahona-Segovia, Pablo R Mulieri, Christian R González, Felipe Osorio Zúñiga, Laura Pañinao-Monsálvez
Hyadesimyia clausa Bigot is a morphologically striking tachinid that inhabits the Sub-Antarctic Ecoregion of the Magallanes Region in Chile and Tierra del Fuego province in Argentina. Much of the distributional information about this species is restricted to the Cape Horn islands, which have extreme environmental conditions, but the species' natural history, range limits, and habitat use have never been described or confirmed. Our goals were to describe the distributional limits of this sub-Antarctic fly with the help of citizen science and use this information type to describe this tachinid's habitat use and potential biological interactions with nonvascular and vascular flora...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529022/environmental-heterogeneity-influences-liana-community-differentiation-across-a-neotropical-rainforest-landscape
#9
JOURNAL ARTICLE
Iván Leonardo Ek-Rodríguez, Jorge A Meave, Armando Navarrete-Segueda, M Lourdes González-Arqueros, Guillermo Ibarra-Manríquez
We examined the variation in liana community composition and structure across geopedological land units to test the hypothesis that environmental heterogeneity is a driving force in liana community assembly. The study site was the Los Tuxtlas Tropical Biology Station, SE Mexico, a reserve that encompasses 640 ha of tropical rainforest. We sampled all lianas with basal diameter ≥1 cm in three 0.5-ha plots established in each of five land units (totaling 15 plots and 7.5 ha). We censused 6055 individuals and 110 species...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38529021/population-genomic-evidence-of-structured-and-connected-plasmodium-vivax-populations-under-host-selection-in-latin-america
#10
JOURNAL ARTICLE
Johanna Helena Kattenberg, Pieter Monsieurs, Julie De Meyer, Katlijn De Meulenaere, Erin Sauve, Thaís C de Oliveira, Marcelo U Ferreira, Dionicia Gamboa, Anna Rosanas-Urgell
Pathogen genomic epidemiology has the potential to provide a deep understanding of population dynamics, facilitating strategic planning of interventions, monitoring their impact, and enabling timely responses, and thereby supporting control and elimination efforts of parasitic tropical diseases. Plasmodium vivax , responsible for most malaria cases outside Africa, shows high genetic diversity at the population level, driven by factors like sub-patent infections, a hidden reservoir of hypnozoites, and early transmission to mosquitoes...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38524913/influence-of-molecular-marker-type-on-estimating-effective-population-size-and-other-genetic-parameters-in-a-critically-endangered-parrot
#11
JOURNAL ARTICLE
George Olah, Robin S Waples, Dejan Stojanovic
Genetics is a fast-moving field, and for conservation practitioners or ecologists, it can be bewildering. The choice of marker used in studies is fundamental; in the literature, preference has recently shifted from microsatellites to single nucleotide polymorphism (SNP) loci. Understanding how marker type affects estimates of population genetic parameters is important in the context of conservation, especially because the accuracy of estimates has a bearing on the actions taken to protect threatened species...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38516573/patterns-and-environmental-drivers-of-c-n-and-p-stoichiometry-in-the-leaf-litter-soil-system-associated-with-mongolian-pine-forests
#12
JOURNAL ARTICLE
Yue Ren, Guang-Lei Gao, Guo-Dong Ding, Ying Zhang, Pei-Shan Zhao
Ecological stoichiometry is an important approach to understand plant nutrient cycling and balance in the forest ecosystem. However, understanding of stoichiometric patterns through the leaf-litter-soil system of Mongolian pine among different stand origins is still scarce. Therefore, to reveal the variations in Mongolian pine carbon (C), nitrogen (N), and phosphorus (P) stoichiometry and stoichiometric homeostasis among different stand origins, we measured C, N, and P concentrations of leaves, litter, and soil, and analyzed the nutrient resorption efficiencies of leaves in differently aged plantations and natural forests from semi-arid and dry sub-humid regions...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38516572/outcrossing-in-caenorhabditis-elegans-increases-in-response-to-food-limitation
#13
JOURNAL ARTICLE
Samuel P Slowinski, Jennifer D Gresham, Eric R Cui, Katharine Haspel, Curtis M Lively, Levi T Morran
Theory predicts that organisms should diversify their offspring when faced with a stressful environment. This prediction has received empirical support across diverse groups of organisms and stressors. For example, when encountered by Caenorhabditis elegans during early development, food limitation (a common environmental stressor) induces the nematodes to arrest in a developmental stage called dauer and to increase their propensity to outcross when they are subsequently provided with food and enabled to develop to maturity...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38516571/lonesome-plants-how-isolation-affects-seed-set-of-a-threatened-dioecious-shrub
#14
JOURNAL ARTICLE
Patricio García-Guzmán, Danny E Carvajal, Giovanni Carozzi-Figueroa, Andrea P Loayza
Plant reproductive failure is a critical concern for conserving rare and endangered species that typically have low-density and sparse populations. One important factor contributing to reproductive failure is the spatial arrangement of plants within a population, which can lead to isolation and negatively affect seed production, particularly in obligate outcrossers. Additionally, plant size can compound this effect, influencing seed production via multiple processes. Here, we investigate how spatial distribution and size influence the reproductive success of Vasconcellea chilensis , an endemic-threatened papaya species in Chile...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38516570/genomic-analyses-elucidate-s-locus-evolution-in-response-to-intra-specific-losses-of-distyly-in-primula-vulgaris
#15
JOURNAL ARTICLE
E Mora-Carrera, R L Stubbs, G Potente, N Yousefi, B Keller, J M de Vos, P Szövényi, E Conti
Distyly, a floral dimorphism that promotes outcrossing, is controlled by a hemizygous genomic region known as the S -locus. Disruptions of genes within the S -locus are responsible for the loss of distyly and the emergence of homostyly, a floral monomorphism that favors selfing. Using whole-genome resequencing data of distylous and homostylous individuals from populations of Primula vulgaris and leveraging high-quality reference genomes of Primula we tested, for the first time, predictions about the evolutionary consequences of transitions to selfing on S -genes...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38516569/ontogenetic-shift-or-not-different-foraging-trade-offs-within-the-meso-to-bathypelagic-fish-community
#16
JOURNAL ARTICLE
Liz Loutrage, Anik Brind'Amour, Tiphaine Chouvelon, Jérôme Spitz
During ontogeny, the increase in body size forces species to make trade-offs between their food requirements, the conditions necessary for growth and reproduction as well as the avoidance of predators. Ontogenetic changes are leading species to seek out habitats and food resources that meet their needs. To this end, ontogenetic changes in nocturnal habitat (vertical use of the water column) and in the type of food resources (based on stable isotopes of nitrogen) were investigated in 12 species of deep pelagic fish from the Bay of Biscay in the Northeast Atlantic...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38510542/biogeographical-patterns-of-species-richness-in-stream-diatoms-from-southwestern-south-america
#17
JOURNAL ARTICLE
Daniel Zamorano, Fabio A Labra, Christoph D Matthaei, Úrsula Romero
The latitudinal diversity gradient (LDG) hypothesis has been validated for many taxon groups, but so far, stream diatoms have not conformed to this pattern. Research on diatoms that includes data from South America is lacking, and our study aims to address this knowledge gap. Previous studies have successfully explained stream diatom species richness by considering niche dimensionality of physicochemical variables. Moreover, in southwestern South America, the observed biogeographical pattern differs from LDG and has been shown to be determined by historical factors...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38510541/the-best-defense-is-a-good-offense-anti-predator-behavior-of-the-common-octopus-octopus-vulgaris-against-conger-eel-attacks
#18
JOURNAL ARTICLE
Beatriz Salvador, Miguel Cabanellas-Reboredo, Manuel E Garci, Ángel F González, Jorge Hernández-Urcera
We present the description of defensive behavior in wild Octopus vulgaris against conger eel ( Conger conger ) attacks based on three video sequences recorded by recreational SCUBA divers in the eastern Atlantic off the coast of Galicia (NW Spain) and in the Cantabrian Sea (NW Spain). These records document common traits in defensive behavior: (1) the octopuses enveloped the conger eel's head to obscure its view; (2) they covered the eel's gills in an attempt to suffocate it; (3) they released ink; (4) the octopuses lost some appendages because of the fight...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38510540/invasive-dominated-grasslands-in-hawai-i-are-resilient-to-disturbance
#19
JOURNAL ARTICLE
Stephanie Yelenik, Eli Rose, Susan Cordell
Non-native-dominated landscapes may arise from invasion by competitive plant species, disturbance and invasion of early-colonizing species, or some combination of these. Without knowing site history, however, it is difficult to predict how native or non-native communities will reassemble after disturbance events. Given increasing disturbance levels across anthropogenically impacted landscapes, predictive understanding of these patterns is important. We asked how disturbance affected community assembly in six invaded habitat types common in dryland, grazed landscapes on Island of Hawai'i...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38510539/leaf-morphological-traits-show-greater-responses-to-changes-in-climate-than-leaf-physiological-traits-and-gas-exchange-variables
#20
JOURNAL ARTICLE
Susan E Everingham, Catherine A Offord, Manon E B Sabot, Angela T Moles
Adaptation to changing conditions is one of the strategies plants may use to survive in the face of climate change. We aimed to determine whether plants' leaf morphological and physiological traits/gas exchange variables have changed in response to recent, anthropogenic climate change. We grew seedlings from resurrected historic seeds from ex-situ seed banks and paired modern seeds in a common-garden experiment. Species pairs were collected from regions that had undergone differing levels of climate change using an emerging framework-Climate Contrast Resurrection Ecology, allowing us to hypothesise that regions with greater changes in climate (including temperature, precipitation, climate variability and climatic extremes) would be greater trait responses in leaf morphology and physiology over time...
March 2024: Ecology and Evolution
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