Revue internationale d'écologie méditerranéenne International ...

158
◆ L. M. M. BIDAK
Habitat Species Family
Inland plateau
Saline depression
Sand dunes
Rocky cliffs & stony
soil
** Correlation is signifi cant at 0.01 probability level
Lifeform
Location
Size
(mm)
Bidens bipinnata L. Compositae Th. El Dabaa 1.23 3.18
Mass
(mg)
Carduus getulus Pomel. Compositae Ch. El-Hammam 0.489 2.23
Deverra tortuosa (Desf.) DC. Umbelliferae Ch. El-Omayed 0.334 0.56
Plantago ovata Forssk. Plantagonaceae Th. Rosetta 1.649 2.31
Peganum harmala L. Zygophyllaceae Ch. Matrouh 0.769 5.778
Pulicaria incisa (Lam.) DC. Compositae Th. Matrouh-Salum road 0.0679 0.961
Cyperus capitatus L. Cyperaceae Geo. Edko lake, shore line 1.082 1.73
Juncus acutus L. Juncaceae Geo. South Sinai 0.158 0.24
Ranunculus sceleratus L. Ranunculaceae Th. Edko lake, shore line 0.503 1.85
Spergularia maritima (All.) Chiov. Caryophyllaceae Ch. Saline soil, Edko 0.094 0.39
Lotus creticus L. Leguminosae Ch. Maritime sand, Edko 0.625 0.206
Lygos raetam (Forssk.) Heywood Leguminosae Ph. Wadi Saal, South Sinai 20.857 13.23
Ononis vaginalis Vahl Leguminosae Ch. El-Omayed 2.576 8.0
Reseda decursiva Forssk. Resedaceae Th. El-Omayed 0.028 1.184
Asphodelus tenuifolius Cav. Liliaceae Th. South Sinai 1.04 2.25
Astragalus annularis Forssk. Leguminosae Th. Edko 1.268 1.95
Kickxia aegyptiaca (L.) Nabelek Scrophulariaceae Ch. South Sinai 0.089 0.45
Calligonum comosum L. Polygonaceae Ch. South Sinai 51.175 0.238
Lotus polyphyllos E.D Leguminosae Ch. El-Omayed 4.545 8.928
Lavandula coronopifolia Poir. Labiatae Th. South Sinai 0.25 1.544
Roemeria hybrida (L.) DC. Papaveraceae Th. Stony soil, south Sinai 0.133 0.293
Fagonia latifolia Del. Zygophyllaceae Th. Rocky cliffs, south Sinai 0.091 0.629
Pulicaria arabica (L.) Cass. Compositae Th. Rocky cliffs , El-Omayed 0.0295 0.155
Values of
correlation
Table 1. List of the studied species restricted to each habitat, with indications related to their family, life-forms,
ocation and the number of species represented each habitat. Ch. = chamaephytes, Geo. = geophytes, P. = perennials, and Th. = therophytes.
No. of
species
0.19 6
0.44 5
0.09 8
0.70 4
Habitat
Water holding
capacity (%)
pH EC (mmhos/cm)
Sand
Soil texture
Silt Clay
Soil type
Canal banks 66.24±3.08 7.8± 0.19 0.46±0.11 39.5±2.48 26.1±1.43 34.4±2.01 Sandy clay loam
Fallow fi elds 76.14±4.01 7.7 ± 0.29 0.14± 0.1 80.6 ± 4.31 18.8 ± 3.85 0.65 ± 0.46 Loamy sand
Wadis 65.07±2.33 8.2 ± 0.7 0.43 ± 0.13 94.93 ± 4.58 1.69 ± 1.9 3.38 ± 0.46 Loamy sand
Catchment areas, railway,
Desert road
42.59±3.01 7.9±0.56 0.54±0.02 81.2±2.42 1.5±0.04 17.30±0.16 Sandy soil
Non-saline depression 53.69±4.2 7.8±2.1 0.03±0.01 88.9±5.01 2.35±0.1 8.75±0.22 Loamy Sand
Inland plateau 53.63±5.1 8.3 ± 0.18 0.47 ± 0.26 93.58 ± 5.58 3.3 ± 1.28 3.08 ± 0.68 Loamy sand
Saline soil 38.99±4.03 8.61 ± 0.17 2.93 ± 1.0 81.7 ± 4.4 17.7 ± 3.9 3.6 ± 0.46 Loamy sand
Sand dunes 62.52±6.01 8.0 ± 0.05 0.27 ± 0.07 96.96 ± 0.11 0.95 ± 0.1 2.09 ± 0.14 Sandy soil
Rocky cliffs & stony soil 34.69±3.11 7.2±2.1 0.71±0.04 98.34±3.33 1.14±0.3 0.52±0.02 Sandy Soil
Table 2. Mean (± SE) of some soil characteristics and types of different habitats in the present study.
ecologia mediterranea, tome 29, fascicule 2, 2003