hudsonia: Projection matrices for mountain golden heather

In popbio: Construction and Analysis of Matrix Population Models

Description

Projection matrices for the mountain golden heather (Hudsonia montana) for years 1985 through 1988 with 6 size classes: seeds, seedlings, and 4 size classes divided by plant area.

Usage

hudsonia

Format

A list of 4 matrices from 1985-1988

Source

Table 6.7 in Morris and Doak 2002. The original data is from Frost 1990.

References

Morris, W. F., and D. F. Doak. 2002. Quantitative conservation biology: Theory and practice of population viability analysis. Sinauer, Sunderland, Massachusetts, USA.

Examples

hudsonia
sapply(hudsonia, lambda)
## mean matrix
x <- mean(hudsonia)
image2(x, mar = c(1, 4, 5.5, 1))
title("Hudsonia mean matrix", line = 2.5)
lambda(x)
# variance
var2(hudsonia)

Example output

$A85
            seed seedlings   tiny   small  medium   large
seed      0.4995    0.0000 4.5782 12.1425 22.3167 50.1895
seedlings 0.0004    0.0000 0.0039  0.0102  0.0188  0.0423
tiny      0.0000    0.4773 0.7059  0.1294  0.0831  0.0000
small     0.0000    0.0000 0.1345  0.4530  0.2079  0.2000
medium    0.0000    0.0000 0.0000  0.3235  0.6238  0.2000
large     0.0000    0.0000 0.0000  0.0647  0.0831  0.6000

$A86
            seed seedlings   tiny   small  medium   large
seed      0.4995    0.0000 4.5782 12.1425 22.3167 50.1895
seedlings 0.0004    0.0000 0.0039  0.0102  0.0188  0.0423
tiny      0.0000    0.4773 0.4995  0.2178  0.0493  0.0000
small     0.0000    0.0000 0.2913  0.4356  0.1480  0.0000
medium    0.0000    0.0000 0.0000  0.2722  0.4440  0.0000
large     0.0000    0.0000 0.0000  0.0000  0.3454  0.9994

$A87
            seed seedlings   tiny   small  medium   large
seed      0.4995    0.0000 4.4234 11.7319 21.5620 48.4923
seedlings 0.0003    0.0000 0.0028  0.0073  0.0135  0.0303
tiny      0.0000    0.4545 0.4575  0.3079  0.1425  0.0000
small     0.0000    0.0000 0.1144  0.5544  0.1425  0.0769
medium    0.0000    0.0000 0.0000  0.0616  0.4985  0.3846
large     0.0000    0.0000 0.0000  0.0000  0.2137  0.5385

$A88
            seed seedlings   tiny   small  medium   large
seed      0.4995       0.0 4.7330 12.5531 23.0714 51.8867
seedlings 0.0003       0.0 0.0028  0.0075  0.0137  0.0308
tiny      0.0000       0.5 0.7331  0.1428  0.0000  0.0000
small     0.0000       0.0 0.2200  0.4286  0.0000  0.0000
medium    0.0000       0.0 0.0000  0.4286  0.6154  0.1000
large     0.0000       0.0 0.0000  0.0000  0.3846  0.9000

      A85       A86       A87       A88 
0.9593438 1.0098094 0.8453119 1.0183199 
[1] 0.9659819
                  seed    seedlings         tiny       small      medium
seed      0.000000e+00 0.0000000000 1.597536e-02 0.112394907 0.379714727
seedlings 3.333333e-09 0.0000000000 4.033333e-07 0.000002620 0.000009020
tiny      0.000000e+00 0.0003450425 1.977764e-02 0.006738116 0.003583282
small     0.000000e+00 0.0000000000 6.652430e-03 0.003430680 0.007777340
medium    0.000000e+00 0.0000000000 0.000000e+00 0.023814302 0.007842709
large     0.000000e+00 0.0000000000 0.000000e+00 0.001046522 0.018737353
                 large
seed      1.9203252267
seedlings 0.0000460625
tiny      0.0000000000
small     0.0089150692
medium    0.0269159567
large     0.0505245025

popbio documentation built on March 26, 2020, 8:44 p.m.