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55 results for “Acer rubrum”
Macroscale Variation in Red Maple (Acer rubrum) Foliar Carbon, Nitrogen, and Nitrogen Resorption
Project Description The primary goal of this project was to investigate intraspecific variation of foliar nitrogen resorption for Acer rubrum (red maple). In particular, we are interested in examining whether foliar nutrient resorption is related to climatic factors such as mean annual temperature and/or precipitation. The approach used to collect green and fallen leaf samples was through a community science project where participants sent leaves to our lab at Boston University for analysis. In the spring/summer of 2019 plant and naturalist organizations throughout the range of red maple in the United States were contacted to request information about this project be sent to their members regarding the collection of red maple leaves for the study. Interested parties were prompted to complete a google form that included basic contact information. Each participant was then sent a sampling kit which included gloves, sampling protocols, and data sheets. For each set of leaves collected from a single tree they were assigned the following identification “tasper-###” where the numbers were uniquely assigned. Green and fallen leaves were assigned different “tasper-###” numbers. Within a single identification (e.g., tasper-120) each leaf was individually assigned a letter a-n, where n corresponds to the letter of how many leaves were sent from that tree. For most samples a-j was obtained because we asked participants to collect 10 leaves. Individual leaves were scanned for area analysis using a flatbed scanner at 300 dpi and weighed. For C&N analysis each leaf blade from a set of green or fallen leaves from a single tree was hole-punched and the samples were combined yielding one C and N concentration per tree for both each green and fallen leaves. Punches were ground and homogenized to a powder using a mortar and pestle. Approximately 3 mg of dried sample was analyzed for C and N concentration using a NC2500 elemental analyzer (CE Elantech, Lakewood, NJ, USA). NIST Apple Le
Acer rubrum (Aceraceae) - leaf - margin of upper + lower surface
Image of Acer rubrum (Aceraceae) - leaf - margin of upper + lower surface
Acer rubrum (Aceraceae) - bark - of a medium tree or large branch
Image of Acer rubrum (Aceraceae) - bark - of a medium tree or large branch
Acer rubrum (Aceraceae) - fruit - immature
Image of Acer rubrum (Aceraceae) - fruit - immature
Acer rubrum (Aceraceae) - fruit - as borne on the plant
Image of Acer rubrum (Aceraceae) - fruit - as borne on the plant
Acer rubrum (Aceraceae) - fruit - immature
Image of Acer rubrum (Aceraceae) - fruit - immature
Acer rubrum (Aceraceae) - inflorescence - lateral view of flower
Image of Acer rubrum (Aceraceae) - inflorescence - lateral view of flower
Acer rubrum (Aceraceae) - whole tree (or vine) - general
Image of Acer rubrum (Aceraceae) - whole tree (or vine) - general
Acer rubrum (Aceraceae) - twig - orientation of petioles
Image of Acer rubrum (Aceraceae) - twig - orientation of petioles
Acer rubrum (Aceraceae) - leaf - whole upper surface
Image of Acer rubrum (Aceraceae) - leaf - whole upper surface
Acer rubrum (Aceraceae) - leaf - showing orientation on twig
Image of Acer rubrum (Aceraceae) - leaf - showing orientation on twig
Acer rubrum (Aceraceae) - twig - orientation of petioles
Image of Acer rubrum (Aceraceae) - twig - orientation of petioles
Acer rubrum (Aceraceae) - bark - of a medium tree or large branch
Image of Acer rubrum (Aceraceae) - bark - of a medium tree or large branch
Acer rubrum (Aceraceae) - fruit - as borne on the plant
Image of Acer rubrum (Aceraceae) - fruit - as borne on the plant
Acer rubrum (Aceraceae) - whole tree (or vine) - general
Image of Acer rubrum (Aceraceae) - whole tree (or vine) - general
Acer rubrum (Aceraceae) - fruit - as borne on the plant
Image of Acer rubrum (Aceraceae) - fruit - as borne on the plant
Acer rubrum (Aceraceae) - fruit - as borne on the plant
Image of Acer rubrum (Aceraceae) - fruit - as borne on the plant
Acer rubrum (Aceraceae) - inflorescence - whole - male
Image of Acer rubrum (Aceraceae) - inflorescence - whole - male
Acer rubrum (Aceraceae) - inflorescence - whole - unspecified
Image of Acer rubrum (Aceraceae) - inflorescence - whole - unspecified
Acer rubrum (Aceraceae) - whole tree (or vine) - general
Image of Acer rubrum (Aceraceae) - whole tree (or vine) - general
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