Research Article

Exergetic Model of Secondary Successions for Plant Communities in Arid Chaco (Argentina)

Table 1

Modal synthetic phytosociological table of the study area by state.

StateCommunity of
L. divaricata
Community of
M. carinatus
Community of
A. gilliesii
Community of
A. quebracho blanco

Altitude (masl)343402366339
Geographic coordinatesS31° S31° S31° S31°
W65° W65° W65° W65°
Chloris ciliata Sw.1
Sporobolus pyramidatus (Lam.) Hitchc.+
Digitaria californica (Benth.) Henrard12
Abutilon pauciflorum A. St.-Hil.4+
Mimozyganthus carinatus (Griseb.) Burkart131
Prosopis flexuosa DC.++11
Setaria cordobensis R.A.W. Herrm.1111
Larrea divaricata Cav.4232
Aspidosperma quebracho blanco Schltdl.1++2
Justicia squarrosa Griseb.24
Cordobia argentea (Griseb.) Nied.123
Acacia gilliesii Steud.+32
Bromelia urbaniana (Mez) L.B. Sm.12
Celtis ehrenbergiana (Klotzsch) Liebm. ++1
Lycium elongatum Miers+
Condalia microphylla Cav.1+
Trichloris crinita (Lag.) Parodi11+
Gouinia paraguayensis (Kuntze) Parodi1++
Geoffroea decorticans (Gillies ex Hook. & Arn.) Burkart1+
Amphilophium cynanchoides (DC.) L.G. Lohmann1
Cercidium praecox (Ruiz & Pav. ex Hook.) Harms++
Tillandsia duratii var. duratii Vis.+11

: shannon-weaver biodiversity index; : lyapunov coefficient; : statistical mean; : standard deviation, all based on the total number of surveyed sites. Bold data indicate the representative species of the community. *Different letters indicate significant differences between states ( ; LSD Fisher).