Science, asked by arguetaemely45, 6 months ago

what is the overall trend of terrestrial plants? Asap plzz:)

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Answered by Anonymous
2

Answer:

NEON collects terrestrial plant measurements and observations at all terrestrial sites to capture spatial variation and trends over time in plant abundance, diversity, biomass, productivity, phenology, and foliar chemistry traits. In addition, information on terrestrial plants in riparian zones along NEON aquatic field sites are also collected using a rapid habitat assessment. Characteristics of terrestrial plants are also captured as part of NEON's airborne remote sensing data collection.

Collecting Plant Data

NEON collects plant data at each of the Observatory’s 47 terrestrial and 34 aquatic field sites although the types of data collected differ between these field site types. These sites are located within all of NEON’s 20 ecoclimatic domains and represent multiple important ecosystem types at the continental scale. NEON terrestrial plant data are generated from field observations, field measurements and collections, and laboratory analyses. At terrestrial sites, field observations are comprised of surveys for species presence, monitoring of plant phenological stages, and digital hemispherical photos that enable calculation of leaf area index. Field measurements of plants at terrestrial sites include structural traits related to woody plant biomass, coarse downed wood volume, and species percent cover. Field observations of terrestrial plants at aquatic sites include vegetation structure and composition and the percent cover of vegetation over wadeable streams (see Aquatic Plants for more on additional plant collection at these sites). Laboratory analyses performed on field-collected samples from terrestrial sites include litter and herbaceous plant biomass, coarse downed wood bulk density, fine root biomass, and canopy and litter chemical analyses. Moreover, a variety of plant samples are collected and archived, and are available to the ecological research community by request.

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