Table 1.

Mean, standard error, and range (in parentheses) of individual mass, mortality rate, life span, and birth rate across plant types

Plant typenIndividual mass, grams dry weightMortality rate, d−1Life span, dBirth rate, d−1
Phytoplankton483.5 ± 2.4 × 10−9(3.4 × 10−15–8.3 × 10−8)39 ± 7.0 × 10−2(1.2 × 10−3–2.5)2.3 ± 1.2 × 101(2.8 × 10−1–5.8 × 102)15 ± 2.5 × 10−1(4.0 × 10−2–3.7)
Macroalgae377.2 ± 4.6 × 101(7.3 × 10−4–1.5 × 103)7.6 ± 1.8 × 10−3(2.2 × 10−4–5.8 × 10−2)4.0 ± 1.2 × 102(1.2 × 10−1–3.1 × 103)1.4 ± 0.63 × 10−2(2.6 × 10−4–3.8 × 10−2)
Mosses72.1 ± 0.26 × 10−2(1.6 × 10−2–3.3 × 10−2)1.8 ± 0.27 × 10−3(6.7 × 10−4–2.8 × 10−3)4.8 ± 1.0 × 102(2.5 × 102–1.0 × 103)
Ferns32.6 ± 1.0 × 10−4(1.3 × 10−4–4.6 × 10−4)3.4 ± 1.1 × 103(1.5 × 103–5.2 × 103)2.0 ± 0.32 × 10−4(1.2 × 10−4–2.8 × 10−4)
Seagrasses1513.1 ± 0.37 × 10−1(7.0 × 10−3–2.5)2.5 ± 0 − 35 × 10−3(5.6 × 10−5–4.1 × 10−2)13 ± 1.4 × 102(1.7 × 101–1.2 × 104)1.9 ± 0.20 × 10−3(3.9 × 10−5–1.2 × 10−2)
Land and salt marsh herbs1904.9 ± 2.4(1.8 × 10−2–1.2 × 102)5.8 ± 1.5 × 10−3(1.4 × 10−5–2.2 × 10−1)16 ± 3.0 × 102(3.2–5.0 × 104)2.1 ± 0.44 × 10−3(1.1 × 10−5–2.0 × 10−2)
Succulent plants122.9 ± 1.4 × 103(4.4 × 102–6.1 × 103)8.9 ± 2.2 × 10−3(2.6 × 10−5–2.0 × 10−2)7.6 ± 3.3 × 103(3.5 × 101–2.7 × 104)2.1 ± 0.8 × 10−5(6.7 × 10−6–3.6 × 10−5)
Shrubs and lianas205.9 ± 3.2 × 101(4.5–1.8 × 102)1.1 ± 0.6 × 10−2(1.1 × 10−4–1.2 × 10−1)14 ± 4.1 × 102(6.0–6.5 × 103)
Mangroves302.8 ± 1.3 × 101(6.4 × 10−1–3.2 × 102)3.5 ± 0.94 × 10−3(2.4 × 10−5–2.3 × 10−2)1.8 ± 0.94 × 103(3.0 × 101–2.8 × 104)
Trees2307.7 ± 1.2 × 105(11–11 × 106)2.9 ± 0.53 × 10−4(2.8 × 10−7–5.2 × 10−3)1.1 ± 0.2 × 105(1.3 × 102–2.5 × 106)4.1 ± 0.65 × 10−5(3.0 × 10−6–3.1 × 10−4)
Overall72823 ± 4.2 × 104(3.4 × 10−15–11 × 106)2.9 ± 0.58 × 10−2(2.8 × 10−7–2.5)37 ± 6.7 × 103(2.8 × 10−1–2.5 × 106)1.3 ± 0.32 × 10−1(3.0 × 10−6–3.7)
  • n indicates the number of plant mortality estimates, the variable with the largest number of observations in the data set.