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184 results for “Arkansas”
FIG. 6 in Distribution and Abundance of Introduced Seal Salamanders (Desmognathus monticola) in Northwest Arkansas, USA
FIG. 6. Number of new captures and recaptures of individual D. monticola per survey at 10 m x 3 m mark-recapture site on Spavinaw Creek, Arkansas.
FIG. 1 in Distribution and Abundance of Introduced Seal Salamanders (Desmognathus monticola) in Northwest Arkansas, USA
FIG. 1. Map of study locations sampled to investigate distribution and abundance of non-native Seal Salamanders (Desmognathus monticola) along Spavinaw Creek, Benton County, northwest Arkansas, USA, relative to adjacent regions of Oklahoma and Missouri. Inset shows the location of each occupancy sampling site along Spavinaw Creek, with filled circles indicating sites found to be occupied by D. monticola. Sites are numbered (Fig. 2) sequentially from west to east. The location of the capture-mark-recapture site (site 17) is indicated by the hollow black circle.
FIG. 2 in Distribution and Abundance of Introduced Seal Salamanders (Desmognathus monticola) in Northwest Arkansas, USA
FIG. 2. Salamanders captured by species and sampling site during low-intensity occupancy surveys along Spavinaw Creek, northwest Arkansas. Captures represent totals over three 10 min nocturnal visual surveys per site. An asterisk (*) denotes the site where density was estimated via capture-mark-recapture.
FIGURES 11–13 in Stauroneis kingstonii sp. nov. (Bacillariophyta: Naviculales), a new diatom species from the Black Swamp, Arkansas, USA
FIGURES 11–13. SEM images of Stauroneis kingstonii. Fig. 11. Internal view of an entire valve. Scale bar = 10 μm. Fig. 12. Internal valve view showing thickened stauros, longitudinal ribs of raphe sternum, and slightly deflected proximal raphe ends. Scale bar = 10 μm. Fig. 13. Internal valve view showing distal raphe end deflected into a helictoglossum, striae comprising single rows of areolae that are each occluded by a hymene. Scale bar = 5 μm.
FIGURE 10 in Stauroneis kingstonii sp. nov. (Bacillariophyta: Naviculales), a new diatom species from the Black Swamp, Arkansas, USA
FIGURE 10. Raphe features of Stauroneis kingstonii; lateral raphe branch and broad axial area, proximal raphe ends nearly straight, and distal raphe ends sickle-shaped. Scale bar = 10 μm.
FIGURE 1 in Stauroneis kingstonii sp. nov. (Bacillariophyta: Naviculales), a new diatom species from the Black Swamp, Arkansas, USA
FIGURE 1. The Cache River watershed, Arkansas, USA. Station 14 is the Stauroneis kingstonii type locality. Filled circles indicate numbered sampling stations where Stauroneis kingstonii occurred and unfilled circles indicate where valves did not occur in samples.
FIGURES 2–9 in Stauroneis kingstonii sp. nov. (Bacillariophyta: Naviculales), a new diatom species from the Black Swamp, Arkansas, USA
FIGURES 2–9. Size diminution series of Stauroneis kingstonii, LM, DIC. Fig. 3. Holotype specimen (ANSP GC-65192). All images in valve view and at same scale; scale bar (Fig. 2) = 10 μm.
FIGURE 2 in Conservation implications of a morphometric comparison between the Illinois Chorus Frog (Pseudacris streckeri illinoensis) and Strecker's Chorus Frog (P. s. streckeri) (Anura: Hylidae) from Arkansas, Illinois, Missouri, Oklahoma, and Texas
FIGURE 2. On the left are three representative ICFs from Clay County, AR. On the right are three representative SCFs from Yell and Conway counties, AR.
FIGURE 3 in Conservation implications of a morphometric comparison between the Illinois Chorus Frog (Pseudacris streckeri illinoensis) and Strecker's Chorus Frog (P. s. streckeri) (Anura: Hylidae) from Arkansas, Illinois, Missouri, Oklahoma, and Texas
FIGURE 3. Results of principal components analysis of the combined data for snout-vent length, tibia length, and head length for all state samples of ICFs and SCFs.
Community science butterfly data Northwest Arkansas
<p>This data set contains the butterfly behavior observations of community members who visited the Botanical Gardens of the Ozarks, as well as students in the Principles of Zoology and Animal Behavior courses at the University of Arkansas from spring 2017 to fall 2020. This data was used to assess the relationship between butterfly color and butterfly flower color choice, as well as the relationship between butterfly color, behavior, abundance, and cloud cover in Northwest Arkansas. It corresponds to "Engaging the community in pollinator research: the effect of wing pattern and weather on butterfly behavior" in Integrative and Comparative Biology. This data set includes the original data reported by community observers as well as the cleaned values used in the manuscript.</p>
Figs. 1–3. Pterostichus punctiventris. 1a in Notes onPterostichus punctiventris(Chaudoir) (Coleoptera: Carabidae) in Arkansas, with a New State Record
Figs. 1–3. Pterostichus punctiventris. 1a) Dorsal habitus; note the lack of distinct contrast in color of the tibiae and femora; 1b) Pronotum. 2a) Ventral habitus; 2b) Abdomen, ventral view; note the lateral punctures that are distinctive of Gastrosticta; 3) Lateral habitus. Scale = 5 mm for Figs. 1a, 2a, and 3; scale = 2 mm for Figs. 1b and 2b.
Figs. 5–6 in Notes onPterostichus punctiventris(Chaudoir) (Coleoptera: Carabidae) in Arkansas, with a New State Record
Figs. 5–6. Phenology of Pterostichus punctiventris. 5) P. punctiventris collected at Steel Creek during April 2013 through December 2013. 6) P. punctiventris collected at Lake Wedington, Lake Wilson, and Withrow Springs during April 2014 through March 2015.
Fig. 4 in Notes onPterostichus punctiventris(Chaudoir) (Coleoptera: Carabidae) in Arkansas, with a New State Record
Fig. 4. Collection locations of Pterostichus punctiventris. Specimens in this study were collected at Steel Creek (Newton County), Lake Wedington (Washington County), Lake Wilson (Washington County), Withrow Springs (Madison County), and additional localities throughout Arkansas. One locality record is from Bousquet (1992).
Figure 19. Neolinycus michaelis arkansae Heinrich, 1977 in Platylabini (Hymenoptera: Ichneumonidae: Ichneumoninae) of the south-eastern United States: new distributional data, taxonomic notes, illustrated keys, and an annotated catalogue of the genera and species
Figure 19. Neolinycus michaelis arkansae Heinrich, 1977, holotype ♂. a) Habitus, dorsal view. b) Habitus, lateral view. c) Labels. From Schmidt (2021c).
FIG. 2 in What Are You Doing Here? A Sculpin Endemic to Arkansas and Missouri (Cottus immaculatus) Appears in Connecticut
FIG. 2. Specimens of Cottus immaculatus collected in Connecticut. Both specimens were photographed shortly after collection and euthanasia, and were accessioned thereafter (UCONN 8522). (A) Male, 73 mm standard length. (B) Female, 68 mm standard length.
FIG. 1 in What Are You Doing Here? A Sculpin Endemic to Arkansas and Missouri (Cottus immaculatus) Appears in Connecticut
FIG. 1. Localities at which Cottus cognatus and C. immaculatus have been recorded in Connecticut. Black symbols indicate sites where specimens have been captured in stream monitoring but not collected. Red symbols indicate sites where specimens were collected and examined for this study.
Implementing Cabenuva in Arkansas HIV Programs
ClinicalTrials.gov study NCT05096949. IPD Sharing: YES. Countries: 1. Publications: 2.
Asthma in the Delta Region of Arkansas (ADRA): Prevalence and Morbidity
ClinicalTrials.gov study NCT00589719. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Asthma in the Delta Region of Arkansas: Characterization of Disease and Impact of Environmental Factors
ClinicalTrials.gov study NCT00590304. IPD Sharing: NO. Countries: 1. Publications: 3.
Hourly GPS location data from mallards (Anas platyrhynchos), green-winged teal (Anas crecca), and American wigeon (Mareca americana) transmittered in Arkansas
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