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22,549 results for “AND LTER”
SBC LTER: Land Ocean Reef: Foodweb Stable Isotopes: Isotope data
Potentially important food sources to primary consumers on shallow subtidal reefs include phytoplankton-dominated seston, kelp-derived detritus, and for locations adjacent to sources of freshwater runoff, terrestrially-derived POM. The SBCLTER is using stable carbon and nitrogen isotope ratio analysis of monthly water, kelp tissue and samples consumers of varying trophic status to evaluate the relative contribution of these sources to reef food webs. SBCLTER research has focused on beginning to characterize variability in the isotope values of potential food sources (phytoplankton, kelp, and terrestrial POM). To investigate sources of variability in values of marine POM, including contributions from phytoplankton, we are collecting monthly water samples and filtering them for POM from on and offshore of the reef, at locations less likely to be influenced by inputs from kelp or terrestrial runoff and more likely to reflect a primarily phytoplankton source at the three core SBCLTER research sites (Arroyo Quemado, Naples, Carpinteria). To identify the range of variability of isotopic ratio in kelp tissue, we concurrently collect kelp tissue samples from the three core research sites. To identify food sources used by reef consumers under different conditions of runoff, ocean climate and kelp production we have begun sampling a variety of reef consumers chosen to represent different trophic levels. Tissue samples were collected in April 2002 from the same species of consumers at four reef sites (Carpinteria, Naples, Mohawk, Arroyo Quemada), which vary in their proximity to sources of runoff and in their standing stock of giant kelp. We have also collected sediment samples at fixed distances from the source of runoff at four research sites (Naples, Goleta Bay, Mohawk, Carpinteria). This information will be used to evaluate whether these isotopic values differ enough from one another to permit the use of mixing models to estimate the contribution of each source to the reef
SBC LTER: Reef: California kelp canopy and environmental variable dynamics
This dataset contains time series of kelp canopy area for giant kelp, Macrocystis pyrifera, and bull kelp, Nereocystis luetkeana, and canopy biomass of giant kelp derived from Landsat satellite imagery along with time series of environmental variables known to be associated with kelp forest dynamics. Data are organized into a single NetCDF file and kelp canopy data are co-located with the nearest environmental data point.
SBC LTER: BEACH: Invertebrate community structure and ecosystem functions of 24 sandy beach sites
These data result from a survey of 24 sandy beach sites in Santa Barbara and Ventura Counties in 2017 and 2018. We quantified marine macrophyte wrack subsidies, macroinvertebrates, and five ecosystem functions on three replicate transects at each site in order to elucidate the role of marine wrack subsidies on recipient ecosystem community structure and functioning. We also measured shorebirds at each site on three replicate survey days. Data are contained in four tables: 1) wrack cover and invertebrate community data by transect for each site used in our PiecewiseSEM model, 2) wrack cover and ecosystem function data by transect for each site used in our ecosystem multifunctionality estimate, 3) invertebrate species abundance and biomass by transect for each site, and 4) shorebird species abundance by survey date for each site.
SBC LTER: Reef: Benthic Composition Experiment: photo quad
These data quantify recruitment and percent cover of invertebrates and algae recruiting across five sampling sites (Arroyo Quemado, Naples, Isla Vista, Mohawk, and Carpentaria) along the Santa Barbara Coast and two sites at Santa Cruz Island (San Pedro Point and Cavern Point). Sampling began Sep 2021 and is conducted seasonally every three months. A housed Canon 5DR SLR camera with a 16 mm lens, two strobes, and a 25x35 cm quadrat is used to collect photographs for data collection on all 24 rock plates, 24 PVC recruitment plates, and 24 control quadrats within two circular plots at each site. Plot 1 represents the control plot with no giant kelp removal and plot 2 represents the kelp clearing plot where all giant kelp is removed. Photographs are uploaded to a cloud-based image analysis platform (ViQi) and point contact analysis is conducted on 100 points in the lab. Occasionally, additional points were collected to show the presence of interested species or lifestage (e.g., kelp recruit). After all photographs have been taken, all recruitment plates are cleaned and all erect understory algae are removed seasonally from half of the rock plates for both plots (Plot 1 rock plates #1-6 and Plot 2 rock plates #13-18) to measure seasonal recruitment. Recruitment is measured as a proportion of the number of individuals found in each photograph. Data are contained in one table depicting seasonally collected invertebrate and algae recruitment and their percent cover for given sites and sampling periods.
SBC LTER: Beach: Local and regional kelp wrack inputs to sandy beaches
These data describe the inputs of giant kelp (Macrocystis pyrifera) to sandy beach ecosystems in the Santa Barbara Channel. The local dataset details the average number of kelp plants deposited in 100 m wide segments of coastline over the course of 66 months, from August 2015 through July 2021. Data are presented as the overall average as well as the seasonal averages for each segment. The coordinates of each segment are provided as well as the overall average dry beach width and the beach orientation for each segment. The regional dataset details the average wrack cover from cross-shore transects and the average number of kelp plants deposited on the 1 km stretch of beach for 24 sandy beach sites in a 100 km long region of coastline along the Santa Barbara Channel. The coordinates of each site are provided as well as the dry beach width and the beach orientation. Data are contained in two tables: 1) the local 25 km dataset with 250 total segments, and 2) the 100 km regional dataset with 24 total study beaches.
SBC LTER: Beach: Sandy beach prey resource use by surfperch across tidal phase
These data describe trophic links between sandy beach and an associated surf zone fish species. The datasets are the result of a short-term study investigating the effect of tidal phase on a local sandy beach macroinvertebrate community and the diet of barred surfperch (Amphistichus argenteus) during the summer and fall of 2020. The beach invertebrate population dataset details the abundance and biomass of taxon within each beach intertidal zone across three paired neap and spring tidal phases. The diet datasets report the counts and sizes of prey taxon observed in barred surfperch stomach samples taken at the time of each beach sampling event. Data are contained in three tables: 1) the beach macroinvertebrate population data, 2) prey counts from barred surfperch stomach content samples, and 3) the sizes of prey in stomach samples.
SBC LTER: Beach: CO₂ flux, wrack subsidies, invertebrate community, and consumer respiration rates for Channel Islands sandy beaches
These data result from surveys of 14 sandy beach sites on four of California’s Channel Islands from 2016 to 2018. We quantified marine macrophyte wrack subsidies, macroinvertebrates, beach physical parameters, and sediment CO2 flux at each site in order to elucidate the role of marine wrack subsidies and wrack consumers on sandy beach sediment CO2 flux. We also measured the respiration rates of the six most common wrack consumer species in the laboratory. Data are contained in two tables: 1) Mean wrack cover, invertebrate community composition (species richness, abundance, and biomass), beach physical parameters, and sediment CO2 flux, and 2) respiration rates and biomass of each replicate individual for each of the six species.
SBC LTER: Beach: Kelp export to select sandy beaches, Isla Vista, 2005-2006
The composition, cover and wet biomass of macroalgal wrack accumulated in the intertidal zone measured on selected sandy beaches of the mainland coast of the Santa Barbara Channel.
SBC LTER: Beach: Wrack and porewater in southern Santa Barbara County, 2003
These data describe 1) the composition, cover, and wet biomass of macrophyte wrack accumulated in the intertidal zone measured along replicated shore-normal transects and 2) the concentrations of major dissolved nutrients and salinity of samples of beach porewater collected from excavations to the water table at different intertidal heights and in the surf zone along the same replicated transects where wrack was measured. These wrack and biogeochemical data were collected on ten sandy beaches of the mainland coast of the Santa Barbara Channel in late summer 2003. Distance between shore-normal transects was randomly selected at each site, and data can be used as replicates
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Atascadero Creek, Puente St (AT07)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Atascadero Creek, Puente St in the Santa Barbara coastal area (site ID: AT07). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Carpinteria Creek, 8th St Foot Bridge (CP00)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Carpinteria Creek, 8th St Foot Bridge in the Santa Barbara coastal area (site ID: CP00). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Devereaux Creek at Slough inflow (DV01)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Devereaux Creek at Slough inflow in the Santa Barbara coastal area (site ID: DV01). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Franklin Creek, Carpinteria Ave (FK00)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Franklin Creek, Carpinteria Ave in the Santa Barbara coastal area (site ID: FK00). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at San Onofre Creek at Highway 101 (ON02)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at San Onofre Creek at Highway 101 in the Santa Barbara coastal area (site ID: ON02). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Rincon Creek, Hwy 101 Culvert, North (RN01)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Rincon Creek, Hwy 101 Culvert, North in the Santa Barbara coastal area (site ID: RN01). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Santa Monica Creek, Via Real (SM01)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Santa Monica Creek, Via Real in the Santa Barbara coastal area (site ID: SM01). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Santa Monica at Scoop (SM04)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Santa Monica at Scoop in the Santa Barbara coastal area (site ID: SM04). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Tecolotito Creek, Hollister Road (TE03)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Tecolotito Creek, Hollister Road in the Santa Barbara coastal area (site ID: TE03). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Mission Creek at Rocky Nook, USGS 11119745 (MC06)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Mission Creek at Rocky Nook, USGS 11119745 in the Santa Barbara coastal area (site ID: MC06). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at San Pedro Creek at Stow Canyon Park, , USGS 11120520 (SP02)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at San Pedro Creek at Stow Canyon Park, , USGS 11120520 in the Santa Barbara coastal area (site ID: SP02). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
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