Ecologia Mediterranea

The Rhus tripartita and Olea
europaea subsp. laperrinei
community
Relevés characterising this association were
taken in small massifs in the north and northeastern
regions of Tamanrasset: wadi Tadda-
Table 1 – The Rhus tripartita-Olea europaea subsp. laperrinei association.
ecologia mediterranea – Vol. 38 (2) – 2012
Plant communities in the Tamanrasset region, Ahaggar, Algeria
dine, wadi Ouezzene in the Ahléheg massif,
In Ezzebib and Adrar Heggueghne (Figure 3).
They correspond to the floristic group E1
identified by the correspondence analysis
(Figure 4). The association is represented by
thirteen relevés taken from small rocky wadis
that cut their way down djebel slopes, on
Quadrat number 1 2 3 4 5 6 7 8 9 10 11 12 13
Area (m 2 ) 200 200 200 200 200 200 200 200 200 200 200 200 200
Total cover (%) 10 15 10 5 15 20 15 10 15 20 30 7 15
Altitude (m) 1520 1510 1540 1560 1560 1520 1530 1410 1550 1600 1560 1500 1380
Number of taxa 6 3 12 4 5 9 8 19 16 17 28 16 3
Caracteristics of the association *C
Rhus tripartita + 1 + + + + + + + 2 + 1 . V
Olea europaea subsp. laperrinei 1 1 1 2 + + + . . . . . + IV
Caracteristics of the Asterisceto-Forsskaoletea et Aervo-Fagonion Quézel 1965
Periploca laevigata + . + . + . + . 1 + + . . IV
Cymbopogon schoenanthus + + 1 . . 1 + + 1 1 . . + IV
Fagonia bruguieri . . + . . . + + + . + + . III
Aerva javanica . . + . . + . + . + . + . III
Aizoon canariense . . + . . . . + . + + + . III
Forsskaolea tenacissima . . . . + + + + . . . III
Anabasis articulata . . . . . . . + . + 1 + . III
Fagonia longispina . . . . . . . + . + + + . III
Helianthemum hirtum . . . . . . . + + + + . III
Reseda villosa . . + . . . . + . . + . . II
Echium humile . . . . . . . . + . + + . II
Salvia aegyptiaca . . . + . . . . + . . . . II
Lotus roudairei . . + . . . . . . . + . . II
Monsonia heliotropioides . . . . . . . + . . + . . II
Volutaria leucantha . . . . . . . . . + . . . I
Astragalus mareoticus . . . . . . . . . . + . . I
Farsetia aegyptiaca . . . . . . . . . . + . . I
Asphodelus tenuifolius . . . . . . . + . . . . . I
Lotus jolyi . . . . . . . + . . . . . I
Asteriscus graveolens . . . . . . + . . . . . . I
Trangressives of the Pergulario-Pulicarietea Quézel 1965
Trichodesma africanum + . + . . + . + + + + + . IV
Acacia ehrenbergiana . . + . . . . + + + 2 + + IV
Pulicaria undulata . . + . . . + + + + + 1 . IV
Heliotropium bacciferum . . . . . . . + . + + + . III
Pulicaria crispa . . . . . . . . + . + . . II
Maerua crassifolia . . . . . + . . . . + . . II
Senna italica (Cassia aschrek) . . . . . + . . . . . . . I
Acacia tortilis subsp. raddiana . . . . . . . . . . + . . I
Zilla spinosa . . . . . . . . . . + . . I
Pergularia tomentosa . . . . . . . . . . + . . I
Morettia canescens . . . . . . . . . . + . . I
Citrullus colocynthis . . . . . . . . + . . . . I
Ziziphus mauritianus . . . . + . . . . . . . . I
Panicum turgidum
Other species
. . . . + . . . . . . . . I
Euphorbia granulata . . . . . . . . + + + + . III
Cleome africanum . . . . . . . + . + + + . III
Atractylis aristata . . . . . . . + + + + + . III
Solenostemma oleifolium . . . + . + + . . . . . . II
Ephedra altissima + . . . . . . . . . + . . II
Plantago ciliata . . . . . . . . . . + + . II
Hippocrepis multisiliquosa . . . . . . . . + . + . . II
Additional species: Stipagrostis obtusa + (1), Artemisia judaica + (8), Ficus salicifolia var. teloukat + (12), Lavandula coronopifolia + (7),
Matthiola livida + (10), Paronychia arabica + (10), Pennisetum divisum + (10), Salvia chudaei + (7), Teucrium polium + (6), Typha elephantina + (5).
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