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18 results for “Chaetodipus”
Data for: Desert landscape features influencing the microgeographic genetic structure of Nelson’s pocket mouse Chaetodipus nelsoni
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Sevilleta site, station Cerro Montosa Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Sevilleta site, station Five-Points Grass Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Sevilleta site, station Five-Points Larrea Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Sevilleta site, station Rio Salado Grass Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Sevilleta site, station Rio Salado Larrea Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Sevilleta site, station Savanna Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Sevilleta site, station Two-22 Study Site, study of animal abundance of Chaetodipus intermedius in units of numberPerTrappingWeb 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 Sevilleta (SEV) contains animal abundance of Chaetodipus intermedius measurements in numberPerTrappingWeb units and were aggregated to a yearly timescale.
Jornada Basin LTER/Jornada Experimental Range site, station Rodent trapping web in creosote vegetation zone, study of animal abundance of Chaetodipus penicillatus in units of numberPer3pt14HectareTrappingWeb 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 Jornada Basin LTER/Jornada Experimental Range (JRN) contains animal abundance of Chaetodipus penicillatus measurements in numberPer3pt14HectareTrappingWeb units and were aggregated to a yearly timescale.
Jornada Basin LTER/Jornada Experimental Range site, station Rodent trapping web in grassland vegetation zone, study of animal abundance of Chaetodipus penicillatus in units of numberPer3pt14HectareTrappingWeb 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 Jornada Basin LTER/Jornada Experimental Range (JRN) contains animal abundance of Chaetodipus penicillatus measurements in numberPer3pt14HectareTrappingWeb units and were aggregated to a yearly timescale.
Figure 2. Phylogenetic relationships amongst 21 in Revision of Chaetodipus arenarius (Rodentia: Heteromyidae)
Figure 2. Phylogenetic relationships amongst 21 specimens of the concatenated cytochrome b and cytochrome c oxidase subunit III gene sequences of the Chaetodipus arenarius complex. The main topology was the same as the one used for the Bayesian inference analyses (A), maximum likelihood (B), maximum parsimony, consensus of four trees (C) and bootstrap of the neighbor-joining (D). The three groups are monophyletic. Clade I contains specimens of C. arenarius and has three subclades (indicated in D) with strong geographical relationships. (Ia) includes specimens northward to the Vizcaino Desert; (Ib) contains specimens southward to the Vizcaino Desert and Magdalena Island; and (Ic) contains specimens from the Loreto area bordering the Gulf of California. Clade II contains specimens of Chaetodipus dalquesti and Clade III contains specimens of Chaetodipus siccus. The acronym for each species is at the tip of each branch (A, C. arenarius; D, C. dalquesti; S, C. siccus), the locality numbers are as shown in Figure 1 and the haplotype (H) numbers listed in Table 1 are shown in parentheses. The values at the nodes are branch support for each of the analyses.
Figure 1 in Revision of Chaetodipus arenarius (Rodentia: Heteromyidae)
Figure 1. Location of Chaetodipus arenarius specimens examined for sequencing. Black-filled circles are the Northern subnetwork, open circles the Southern subnetwork, and grey-filled circles the Gulf of California subnetwork of C. arenarius. The localities with half-filled circles have specimens from all subnetworks. Rhomboids are the locations of Chaetodipus dalquesti and squares are the locations of Chaetodipus siccus. The distributions of the three species are shaded in different colours: white for C. arenarius, grey for C. dalquesti, and black for C. siccus. The specimens and geographical groups are listed in Table 1. The dashed line shows the hypothetical borders between species.
Figure 4 in Revision of Chaetodipus arenarius (Rodentia: Heteromyidae)
Figure 4. Photos of the rump pelage from three representative live animals: A, Peninsular-Chaetodipus arenarius (CIB 15534). B, Cape Region-Chaetodipus dalquesti (CIB 15535), and C, Cerralvo Island-Chaetodipus siccus (CIB 15536).
Figure 5 in Revision of Chaetodipus arenarius (Rodentia: Heteromyidae)
Figure 5. Projection of individual scores on discriminant roots 1 (canonical variable 1, CV1) and 2 (CV2) for 19 craniodental measurements (Table 4). The specimens were grouped into three representative groups: Peninsular- Chaetodipus arenarius (open square), Cape Region-Chaetodipus dalquesti (filled circle), and Cerralvo Island-Chaetodipus siccus (open triangle).
Figure 3. The minimum spanning network for the 656 in Revision of Chaetodipus arenarius (Rodentia: Heteromyidae)
Figure 3. The minimum spanning network for the 656-bp cytochrome b data set includes populations from the Baja California Peninsula. Each perpendicular hash mark across the line between adjacent haplotypes in the network represents a single-base substitution. The key for the haplotypes is shown in Table 1; some of the haplotypes are present in more than one population. The peninsular-Chaetodipus arenarius minimum spanning network has three subnetworks: Northern peninsula (a), Southern peninsula (b), and Loreto (c).
On following pages: 30. Peninsular Pocket Mouse (Chaetodipus rudinoris); 31. Spiny Pocket Mouse (Chaetodipus spinatus); 32. California Pocket Mouse (Chaetodipus californicus); 33. San Diego Pocket Mouse (Chaetodipus fallax); 34. Little Desert Pocket Mouse (Chaetodipus arenarius); 35. Dalquest''s Pocket Mouse (Chaetodipus ammophilus); 36. Cerralvo Island Pocket Mouse (Chaetodipus siccus); 37. Desert Pocket Mouse (Chaetodipus penicillatus); 38. Chihuahuan Desert Pocket Mouse (Chaetodipus eremicus); 39. Sinaloan Pocket Mouse (Chaetodipus pernix); 40. Rock Pocket Mouse (Chaetodipus intermedius); 41. Nelson's Pocket Mouse (Chaetodipus nelsoni); 42. Lined Pocket Mouse (Chaetodipus lineatus); 43. Goldman's Pocket Mouse (Chaetodipus goldmani); 44. Narrow-skulled Pocket Mouse (Chaetodipus artus). in Heteromyidae
On following pages: 30. Peninsular Pocket Mouse (Chaetodipus rudinoris); 31. Spiny Pocket Mouse (Chaetodipus spinatus); 32. California Pocket Mouse (Chaetodipus californicus); 33. San Diego Pocket Mouse (Chaetodipus fallax); 34. Little Desert Pocket Mouse (Chaetodipus arenarius); 35. Dalquest''s Pocket Mouse (Chaetodipus ammophilus); 36. Cerralvo Island Pocket Mouse (Chaetodipus siccus); 37. Desert Pocket Mouse (Chaetodipus penicillatus); 38. Chihuahuan Desert Pocket Mouse (Chaetodipus eremicus); 39. Sinaloan Pocket Mouse (Chaetodipus pernix); 40. Rock Pocket Mouse (Chaetodipus intermedius); 41. Nelson's Pocket Mouse (Chaetodipus nelsoni); 42. Lined Pocket Mouse (Chaetodipus lineatus); 43. Goldman's Pocket Mouse (Chaetodipus goldmani); 44. Narrow-skulled Pocket Mouse (Chaetodipus artus).
Using 2D dental geometric morphometrics to identify modern Perognathus and Chaetodipus specimens (Rodentia, Heteromyidae)
<p></p><p>The Heteromyidae (pocket mice and kangaroo rats) are a group of extant small rodents abundant in western North America, as well as in fossil assemblages over the last 20 million years. Two genera of heteromyids, Chaetodipus and Perognathus, share similar tooth morphology and teeth are the primary fossil remains. Previous genetic studies show these extant sister genera likely diverged in the middle Miocene (~16 million years ago); however, the Chaetodipus fossil record starts in the Pleistocene (~2 million years ago). In this study, we asked whether two-dimensional geometric morphometrics on complete dentition and isolated premolars can accurately identify Chaetodipus and Perognathus specimens at the genus and species level. We landmarked the occlusal surface of the upper and lower tooth rows of modern Chaetodipus (n = 83) and Perognathus specimens (n = 80), including 12 of the 26 extant species across the two genera. We ran a canonical variates analysis to investigate whether principal component variation could predict known taxonomic identifications. The morphospace using complete dentition can identify specimens to genus with 90 – 92% accuracy and to species with more variable accuracy. We found an isolated premolar provides sufficient information for genus-level identification (69 – 84% accuracy), but not for species-level identification (26 – 56% accuracy). This morphospace of modern specimens can be used to identify the skeletal remains of Chaetodipus and Perognathus in museum collections, raptor pellets, or middens, to refine our existing knowledge of heteromyid evolutionary history.</p><p></p>
Using 2D dental geometric morphometrics to identify modern Perognathus and Chaetodipus specimens (Rodentia, Heteromyidae)
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