Merrimack Field trip - WaRM 711/811

Use one page per plot

Team:

Date:

Plot identifier:

Distance from river edge (m):

A

B=see note (a)

C=see note (b)

D=see note (b)

E=(C+D)/2

F=0.2*E

G=0.2*E

Tree Number

DBH (units?)^a

Inividual tree basal area^b

Individual tree mass (kg)^c (Equation 1)

Individual tree mass (kg)^c (Equation 2)

Individual tree mass (kg) (average)

Foliage Biomass (kg)

Root Biomass (kg)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

Sums

Sums

Note (a): Take care to record the correct units for DBH, and use the correct side of the tape

Note (b): BAi = (pi)*(DBHi/2)²

Note (c): Use both equations, appropriate for the species of each tree.

Plot information

Plot area (m²)

H

Biomass

Total

Foliage

Roots

(kg/m²)

O=Sum(E,F, or G)/H

#Stems/plot

I

(g/m²)

P=O*1,000

Stem density (#/m²)

J=I/H

(kg/ha)

Q=O*10,000

Stem density (#/ha)

K=J*10,000

Soil Data

Sum of B (m²)

L

Soil area (cm²)

R (core or pit)

Basal area (m²/m²)

M=L/F

Soil depth (cm)

S

Basal area (m²/ha)

N=M*10,000

Soil mass (dry g)

T

Soil mass (AFdry g)

U

Bulk density (g/cm3)

V=T/(S*R)

Organic matter (%)

W=100* (T-U)/T