Checklist of Wadi Hassan flora, Northeastern Badia, Jordan

doi:10.1016/j.pld.2019.05.001

摘要/Abstract

摘要： In this study, we survey the plant diversity of Wadi Hassan, which is located in the Northeastern Badia of Jordan, about 120 km east of Amman. All plant species were collected and herbarium specimens have been prepared, identified and deposited at the University of Jordan herbarium (Department of Biology, Faculty of Science). The final plant checklist includes 206 species belonging to 138 genera and 35 families. The most diverse families are Compositae (20.5%), Cruciferae (10.2%), Leguminosae (8.3%) and Boraginaceae (6.8%), followed by Caryophyllaceae and Gramineae (5.4%). These six families represent 60% of the total families recognized in the study area, while nine families each are represented by only one species. Most plants recorded are annual plants (61%), some plants are hemicryptophtes (18%) and camaephytes (15%), while the least frequent life form class was the phanerophyte shrub and perennial (0.5%). Chorological characteristics of the recorded flora show that Saharo-Arabian Region elements, IranoTuranian elements and Mediterranean elements constitute (58%) of the total flora. This research shows that even small portion of the Jordan Badia such as the Wadi Hassan plant community has high species diversity. Thus, we recommended further of the unexplored Wadi plants communities of the Jordan Badia.

关键词: Arid zone, Badia, Wadies, Wadi hassan, Life form, Chorology

Abstract: In this study, we survey the plant diversity of Wadi Hassan, which is located in the Northeastern Badia of Jordan, about 120 km east of Amman. All plant species were collected and herbarium specimens have been prepared, identified and deposited at the University of Jordan herbarium (Department of Biology, Faculty of Science). The final plant checklist includes 206 species belonging to 138 genera and 35 families. The most diverse families are Compositae (20.5%), Cruciferae (10.2%), Leguminosae (8.3%) and Boraginaceae (6.8%), followed by Caryophyllaceae and Gramineae (5.4%). These six families represent 60% of the total families recognized in the study area, while nine families each are represented by only one species. Most plants recorded are annual plants (61%), some plants are hemicryptophtes (18%) and camaephytes (15%), while the least frequent life form class was the phanerophyte shrub and perennial (0.5%). Chorological characteristics of the recorded flora show that Saharo-Arabian Region elements, IranoTuranian elements and Mediterranean elements constitute (58%) of the total flora. This research shows that even small portion of the Jordan Badia such as the Wadi Hassan plant community has high species diversity. Thus, we recommended further of the unexplored Wadi plants communities of the Jordan Badia.

Key words: Arid zone, Badia, Wadies, Wadi hassan, Life form, Chorology

Feryal Kherissat, Dawud Al-Esawi. Checklist of Wadi Hassan flora, Northeastern Badia, Jordan[J]. Plant Diversity, 2019, 41(03): 166-173.

图/表 9

参考文献 32

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树种 Species	代码 Code	树高 Height (m)	测点直径 Diameter at measurement point (cm)
树种 Species	代码 Code	树高 Height (m)	10^a	140^a	270^a
槐 Sophora japonica	So1	12.6	22.4	17.2	10.8
	So2	14.7	26.3	18.6	14.5
	So3	16.4	31.6	21.5	17.6
旱柳 Salix matsudana	Sa1	13.8	21.6.	16.8	12.9
旱柳 Salix matsudana	Sa2	15.7	29.1	22.6	18.5
	Sa3	18.4	34.2	28.7	22.8

树种 Species	代码 Code	树高 Height (m)	测点直径 Diameter at measurement point (cm)
树种 Species	代码 Code	树高 Height (m)	10^a	140^a	270^a
槐 Sophora japonica	So1	12.6	22.4	17.2	10.8
	So2	14.7	26.3	18.6	14.5
	So3	16.4	31.6	21.5	17.6
旱柳 Salix matsudana	Sa1	13.8	21.6.	16.8	12.9
旱柳 Salix matsudana	Sa2	15.7	29.1	22.6	18.5
	Sa3	18.4	34.2	28.7	22.8

树种 Species	月份 Month	回归方程 Regression equation	Q₁₀	R₁₀ (μmol·m^-2·s^-1)	R²
槐 Sophora japonica	6-8	Y = 0.8945e^0.0779^x	2.18	1.95	0.77^**
槐 Sophora japonica	10-12	Y = 0.5943e^0.0892^x	2.44	1.45	0.87^**
旱柳 Salix matsudana	6-8	Y = 0.8771e^0.0582^x	1.79	1.57	0.82^**
旱柳 Salix matsudana	10-12	Y = 0.4674e^0.0599^x	1.86	0.87	0.88^**

树种 Species	月份 Month	回归方程 Regression equation	Q₁₀	R₁₀ (μmol·m^-2·s^-1)	R²
槐 Sophora japonica	6-8	Y = 0.8945e^0.0779^x	2.18	1.95	0.77^**
槐 Sophora japonica	10-12	Y = 0.5943e^0.0892^x	2.44	1.45	0.87^**
旱柳 Salix matsudana	6-8	Y = 0.8771e^0.0582^x	1.79	1.57	0.82^**
旱柳 Salix matsudana	10-12	Y = 0.4674e^0.0599^x	1.86	0.87	0.88^**

树种 Species	枝干高度 Stem height (cm)	回归方程 Regression equation	时间滞后 Time lag (min )	Q₁₀	R²
槐 Sophora japonica	10	Y = 0.8761e^0.0736^x	154	2.09	0.722^**
	140	Y = 0.9024e^0.0821^x	136	2.27	0.754^*
	270	Y = 1.0132e^0.0918^x	122	2.50	0.846^**
旱柳 Salix matsudana	10	Y = 0.8115e^0.0429^x	176	1.54	0.707^**
旱柳 Salix matsudana	140	Y = 0.9232e^0.0547^x	152	1.73	0.854^**
	270	Y = 0.9273e^0.0749^x	126	2.11	0.955^**