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56 results for “Chorthippus”
Cedar Creek Ecosystem Science Reserve site, station Old Field 5 at Cedar Creek, study of animal abundance of Chorthippus curtipennis in units of numberPer200Sweeps on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Cedar Creek Ecosystem Science Reserve (CDR) contains animal abundance of Chorthippus curtipennis measurements in numberPer200Sweeps units and were aggregated to a yearly timescale.
Cedar Creek Ecosystem Science Reserve site, station Old Field 72 at Cedar Creek, study of animal abundance of Chorthippus curtipennis in units of numberPer200Sweeps on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Cedar Creek Ecosystem Science Reserve (CDR) contains animal abundance of Chorthippus curtipennis measurements in numberPer200Sweeps units and were aggregated to a yearly timescale.
Cedar Creek Ecosystem Science Reserve site, station Old Field 76 at Cedar Creek, study of animal abundance of Chorthippus curtipennis in units of numberPer200Sweeps on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Cedar Creek Ecosystem Science Reserve (CDR) contains animal abundance of Chorthippus curtipennis measurements in numberPer200Sweeps units and were aggregated to a yearly timescale.
Data from: Wolbachia effects in natural populations of Chorthippus parallelus from the Pyrenean hybrid zone.
We evaluate for the first time the effect of Wolbachia infection, involving two different supergoups, on the structure and dynamics of the hybrid zone between two subspecies of Chorthippus parallelus (Orthoptera) in the Pyrenees. Wolbachia infection showed no effects on female fecundity or a slight increment in females infected by F supergroup although in the last case it has to be well-established. Cytoplasmic incompatibility (CI) is confirmed in crosses carried out in the field between individuals from a natural hybrid population. This CI, registered as the relative reduction in embryo production (sh), was of sh = 0.355 and sh = 0.286 in unidirectional crosses involving B and F supergroups, respectively. CI also occurred in bidirectional crosses (sh = 0.147) but with a weaker intensity. The transmission rates of the two Wolbachia strains (B and F) were estimated by the optimization of a theoretical model in order to reach the infection frequencies observed in certain population. To fit this scenario both supergroups should present transmission rates close to 1. Further, we have simulated the infection dynamics, and hence the capacity of Wolbachia to structure the population of the host insects, and to affect to reproduction and genetic introgression in the hybrid zone. This represents a first example of the influence of Wolbachia in an insect natural hybrid zone.
FIGURE 19 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURE 19. Results of canonical discriminant function analysis using 3 song parameters (song duration, syllable number and syllable duration) in male calling songs of C. bornhalmi (Anatolian populations), C. relicticus (Karaman), C. antecessor (Adana), C. brunneus (Germany) and C. bornhalmi (Greece).
FIGURE 13 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURE 13. Single linkage dendrogram for the male (A) and female (B) of members of the C. brunneus subgroup.
FIGURE 12 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURE 12. First two axes of of canonical discriminant function analyses for the 26 morphometric characters measured from C. bornhalmi (Anatolian populations), C. relicticus (Karaman), C. antecessor (Adana), C. brunneus (Germany) and C. bornhalmi (Bulgaria); A—males, B—females.
FIGURE 11 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURE 11. Boxplots for the number of stridulatory pegs counted from members of the C. brunneus subgroup (A - male and B - female.
FIGURES 5–7 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURES 5–7. Pronotum (A—male and B—female). 5—C. antecessor (Adana); 6—C. relicticus (Karaman); 7— C. bornhalmi (Antalya-Termessos).
FIGURE 2 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURE 2. Terminology for two general song types in C. brunneus subgroup (HLM, hind leg movement; S, sound). C. relicticus- total song (A) and one phrase in detail (B); C. bornhalmi- total song (C) and one phrase in detail (D).
FIGURE 1 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURE 1. The localities visited to collect Chorthippus members in Anatolia (small circles represent the localities visited, large filled circles represent the records of C. bornhalmi; filled triangle represent the record of C. antecessor sp. n.; large filled quadrangle represent the records of C. relicticus sp. n.).
FIGURES 17–18 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURES 17–18. Male calling song (A—Complete song, B—one phrase). 17—C. brunneus from Germany; 18—C. relicticus from Karaman.
FIGURES 14–16 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURES 14–16. Male calling song (A—Complete phrase, B—a part of syllable periods), 14— C. bornhalmi from Greece; 15—C. bornhalmi from Anatolia; 16—C. antecessor from Adana.
FIGURES 8–10 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURES 8–10. Tegmina (A—male and B—female). 8—C. antecessor (Adana); 9—C. relicticus (Karaman); 10—C. bornhalmi (Antalya-Termessos).
Fig. 4 in Genetic and morphological divergence among Gravel Bank Grasshoppers, Chorthippus pullus (Acrididae), from contrasting environments
Fig. 4 Discriminant function plot (group centroids ± SD for the first two discriminant func- tions) for the analysis presented in Table 7. Dark grey centroids: lowland heath populations; light grey centroids: alpine gravel bank populations
Inheritance of color morphs in Chorthippus dorsatus
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Data from: Wolbachia effects in natural populations of Chorthippus parallelus from the Pyrenean hybrid zone.
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Data from: Transcriptome profiling of ontogeny in the acridid grasshopper Chorthippus biguttulus
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Historical isolation facilitates species radiation by sexual selection: insights from Chorthippus grasshoppers
<p>Theoretical and empirical studies have shown that species radiations are facilitated when a trait under divergent natural selection is also involved in sexual selection. It is yet unclear how quick and effective radiations are where assortative mating is unrelated to the ecological environment and primarily results from sexual selection. We address this question using sympatric grasshopper species of the genus <em>Chorthippus</em>, which have evolved strong behavioral isolation while lacking noticeable eco-morphological divergence. Mitochondrial genomes suggest that the radiation is relatively recent, dating to the mid-Pleistocene, which leads to extensive incomplete lineage sorting throughout the mitochondrial and the nuclear genomes. Nuclear data shows that hybrids are absent in sympatric localities but that all species have experienced gene flow, confirming that reproductive isolation is strong but remains incomplete. Demographic modelling is most consistent with a long period of geographic isolation, followed by secondary contact and extensive introgression. Such initial periods of geographic isolation might facilitate the association between male signaling and female preference, permitting the coexistence of sympatric species that are genetically, morphologically, and ecologically similar, but otherwise behave mostly as good biological species.</p>
FIGURES 3–4 in Chorthippus brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia with description of two new species: data suggest an Anatolian origin for the lineage
FIGURES 3–4. Male habitus (A) and tympanum (B). 3—C. antecessor sp. n., 4—C. relicticus sp. n..
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.