. Building Illinois' biological memory : a framework for long-term ecosystem monitoring. Environmental monitoring. n terms of sampling scale, monitoring frequency, and level of precision. Sampling Unit and Size What's IVIeasured Level of Identification Professional Volunteer Professional Volunteer Professional Volunteer Wadeable 50 m reach. minimum 10 m upstream from nearest bridge Wadeable 200 tt reach. minimum 100 ft upstream from nearest bndge Benthic macroinvertebrates. fishes, physical and chemical characteristics Benthic macroinvertebrates. physical characteristics Species Order/ Family
. Building Illinois' biological memory : a framework for long-term ecosystem monitoring. Environmental monitoring. n terms of sampling scale, monitoring frequency, and level of precision. Sampling Unit and Size What's IVIeasured Level of Identification Professional Volunteer Professional Volunteer Professional Volunteer Wadeable 50 m reach. minimum 10 m upstream from nearest bridge Wadeable 200 tt reach. minimum 100 ft upstream from nearest bndge Benthic macroinvertebrates. fishes, physical and chemical characteristics Benthic macroinvertebrates. physical characteristics Species Order/ Family Ttiree 50 m transects; circular study area witti minimum 150 m radius Three 50 m transects on sites measuring 150 m x 150 m; minimum 50% tree / shrub cover Trees, shrubs, ground cover; birds and terrestrial insects; disturbance sensitive and non- native species Trees, shrubs, disturbance-sensitive and invasive ground layer species Species Genus / Species Twenty quadrats measuring '/^ m% generally along a single transect; 500 m- site witti maximum 50% tree or shrub cover One 50 m transect on a minimum 1000 m-' site with maximum 50% tree or shrub cover Trees, shrubs, ground cover (grasses, sedges and forbs); birds and terrestrial insects; native / non-native and disturbance sensitive species Trees, shrubs, grasses. sedges, forbs. disturbance-sensitive and invasive ground layer species; butterflies Species Genus / Species Twenty quadrats measuring V^ m-, generally along a single transect; 500 m- site with maximum 50% woody shrub or tree cover One 50 m transect on a minimum 2500 m^ site Trees, shrubs, ground cover; birds and terrestrial insects; disturbance sensitive and non- native species Trees, shrubs, disturbance-sensitive and invasive ground layer species Species Genus / Species Michael R. Jeffords. fvlichae! R. Jeftords. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of the
Size: 1278px × 1955px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcollectionbiodiversity, bookcontributoruniversityofillinois