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14 results for “French Broad River”
Bird surveys in French Broad River Basin, North Carolina, 2014
This dataset includes counts of birds from surveys conducted in the French Broad River Basin in western North Carolina, USA. This basin is in the Southern Appalachian Mountains. Data were collected to examine the spatial and seasonal supply of biodiversity-based cultural ecosystem services (CES), in this case, nature study through birdwatching. The data includes bird species observed at 69 sites on public and private lands during the period 2014-04-01 to 2014-08-08. Bird species were categorized with respect to migration status, level of conservation concern (both based on literature), and relative abundance in the study region (based on eBird data). Environmental data for 56 sites are provided: elevation, early season precipitation, mean summer temperature, land cover diversity, tree cover, vegetation structural diversity, vegetation annual productivity, and building density at local and landscape scales. Graves et al. (2019, doi:10.1007/s13280-018-1068-1) used these data to analyze seasonal shifts in birdwatching supply and how those shifts impacted public access to projected birdwatching hotspots. Landscape patterns of CES supply differed substantially among five CES indicators (total bird species richness, and richness of migratory, infrequent, synanthrope, and resident species). For example, total species richness hotspots seldom overlapped with hotspots of migratory or infrequent species. Public access to CES hotspots varied seasonally. This study suggests that simple, static biodiversity metrics may overlook spatial dynamics important to CES users.
Wildflower survey data from French Broad River Basin, North Carolina, 2014
This dataset includes measures of the abundance of blooming wildflowers from field surveys conducted in the French Broad River Basin in western North Carolina, USA. This basin is in the Southern Appalachian Mountains. Data were collected to examine the spatial and seasonal supply of biodiversity-based cultural ecosystem services (CES), in this case, nature study by viewing wildflowers. The data includes blooming species observed at 69 sites on public and private lands during the period 2014-04-01 to 2014-08-08. Flower species were characterized as charismatic if represented in tourism websites. Environmental data for 56 sites are provided: elevation, early season precipitation, mean summer temperature, land cover diversity, tree cover, vegetation structural diversity, vegetation annual productivity, and building density at local and landscape scales. Graves et al. (2017, doi: 10.1007/s10980-016-0452-0) used these data to analyze seasonal shifts in supply of floral resources and how those shifts impacted public access to projected resource hotspots. Relationships between landscape gradients, biodiversity, and ecosystem service supply varied seasonally, and the analysis identified CES hotspots otherwise obscured by simple proxies. Landscape models of biodiversity-based cultural ecosystem services should include seasonal dynamics of biotic communities to avoid under- or over-emphasizing the importance of specific locations in ecosystem service assessments.
Survey of forest herb abundance at 55 sites in the French Broad River watershed, 2009.
We identified 14 native herbaceous species that represented a range of habitat generalists and specialists, and were common to the area. Sampling took place from May – August 2009. We selected sites by generating random points across 5 watersheds in ArcGIS and choosing a subset of 54 sites that were accessible, not recently logged, and not dominated by Eastern hemlock (Tsuga canadensis), rhododendron (Rhododendron spp.), or mountain laurel (Kalmia latifolia). A 20x20-m plot was established at each site containing 3 transects at 0-m, 10-m, and 20-m, perpendicular to the slope. Using a modified version of the Braun Blanquet (1932) scale, we recorded percent cover for each focal species within 1-m2 quadrats at 6 evenly spaced intervals along each transect (18 quadrats per plot). The entire plot was thoroughly searched and the presence of any focal species not recorded in a quadrat was noted and assigned to the lowest cover class (0-0.1%). Within each quadrat, we also measured percent total herb and shrub cover, and litter depth (an average of 4 measurements). Slope and terrain shape were determined using a clinometer. We extracted elevation and distance to stream for each plot using 30-m digital elevation models (DEMs) in ArcGIS. Distance to stream represents relative slope position and was obtained by calculating flow accumulation and the distance from plots to the nearest point of highest accumulation, using a threshold of 100 pixels. High values indicate positions upslope near ridges and low values indicate positions downslope close to streams or coves. Five soil cores (5 cm diameter, 15 cm depth) were obtained from each plot, composited, sieved (4 mm) and oven-dried. Soils were analyzed for total N, organic matter, P, K+, Ca++, Mg++, and pH by the University of Wisconsin-Madison Soil and Plant Analysis Laboratory using standard methods. Soil texture was determined in the laboratory using the hydrometer method.
Bent Creek Experimental Forest site, station USGS Station 03448000, French Broad River at Bent Creek, NC, study of mean daily streamflow in units of litersPerSecond on a monthly 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 Bent Creek Experimental Forest (BEN) contains mean daily streamflow measurements in litersPerSecond units and were aggregated to a monthly timescale.
Bent Creek Experimental Forest site, station USGS Station 03448000, French Broad River at Bent Creek, NC, study of mean daily streamflow in units of litersPerSecond 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 Bent Creek Experimental Forest (BEN) contains mean daily streamflow measurements in litersPerSecond units and were aggregated to a yearly timescale.
FIGURE 5 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 5. Live color of A) adult male and B) adult female C. ectopistes sp. nov. from the Pigeon River, NC. Photos by Michael Perkins and W.T. Russ (North Carolina Wildlife Resources Commission).
FIGURE 6 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 6. Maps (A. relief, B. HUC 10 boundaries) showing the distribution of C. ectopistes sp. nov. in the Pigeon River (PR), French Broad River (FB), Nolichucky River (NOL), and Cane River (CANE) systems. * Denotes the sampling locality on Paint Creek, Tennessee.
FIGURE 3 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 3. Phylogenetic representation of the IQTREE-estimated maximum likelihood tree of cytochrome c oxidase I (COI). A dotted box encompasses the clade representing Cambarus ectopistes sp. nov., whereas a solid grey box encompasses the clade we consider to represent Cambarus robustus s.s. Bootstrap values of 50 or greater are shown at associated nodes.
FIGURE 2 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 2. Two-dimensional non-metric multidimensional scaling (NMDS) plot showing differences in morphological characters between C. ectopistes sp. nov. (n = 36) and C. robustus s.s. (n = 16) (stress = 0.0686, linear fit R2 = 0.988.) Vectors reflect the strength of correlation of each of eight significant characters in relation to the NMDS axes. Length (L), width (W), depth (D), total carapace length (TCL), carapace width (CW).
FIGURE 4 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 4. Cambarus ectopistes sp. nov.: (A) lateral cephalothorax; (B) dorsal cephalothorax; (C) epistome; (D) antennal scale; (E) dorsal right chela; (F) mesial form I gonopod; (G) lateral form I gonopod; (H) annulus ventralis; (I) mesial form II gonopod; (J) lateral form II gonopod. A–G from holotype (NCSM 90193); H from allotype (NCSM 90194); and I–J from morphotype (NCSM 90195).
FIGURE 1 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 1. Map showing localities of all specimens examined for this study, including newly sampled material and individuals in the North Carolina Museum of Natural Sciences (NCSM) Non-molluscan Invertebrates Collection originally identified as Cambarus robustus, C. cf. robustus, or C. (Puncticambarus) sp.
FIGURE 8 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 8. Intraspecific variation in C. ectopistes sp. nov. occurs most notably in the shape of the rostrum. A, Nolichucky and Cane Rivers; B, French Broad and Pigeon Rivers.
Survey of the insect pollinator community at 15 sites in the French Broad River watershed, collected in 2011
We asked how pollinator abundance and community composition varied with distance from logging roads and elevation in old (logged > 90 years ago) and young (logged 20-40 years ago) southern Appalachian forests (USA). At 15 previously logged sites along an elevation gradient, insect pollinators were sampled at 5 distances from logging roads during summer 2010 and spring 2011 using pan traps.
FIGURE 7 in Cambarus ectopistes sp. nov., a new stream-dwelling crayfish (Decapoda: Cambaridae) from the French Broad, Pigeon, and Nolichucky River watersheds in the Appalachian Mountain region of North Carolina and Tennessee, USA
FIGURE 7. Examples of stream habitat in which C. ectopistes sp. nov. was encountered.
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