Figure 1:
Location maps of the study area with sectors and localities.
Slika 1: Zemljevid lokacij preučevanih sektorjev in krajev.
Table 1:
Exposition, soil type and geographic coordinates of the studied sectors and localities.
Tabela 1: Ekspozicija, vrsta tal in geografske koordinate preučevanih sektorjev in krajev.
| Sector | Locality | Exposition | Type of soil and rock (Halimi, 1980; DGF, 2000) | Latitude | Longitude | Altitude (m a. s. l.) |
|---|---|---|---|---|---|---|
| El Hamdania Sector 36°21′49.05″ N, 2°45′05.51″ E | Zeta | South | Schistose stone | 36°18′48.48″ N | 2°47′04.93″ E | 447 |
| Sidi Rabeh | Northwest | Schistose stone, rich in organic matter, with dry soil | 36°22′12.68″ N | 2°46′40.55″ E | 503 | |
| Chréa Sector 36°25′11.72″N, 2°51′15.64″ E | Pure Cedar forest | North | Schistose stone, rich in organic matter, with dry soil | 36°24′59.38″ N | 2°51′44.40″ E | 1519 |
| Beni Ali ropeway | Northwest | Schist outcropping in some areas | 36°25′22.82″ N | 2°49′42.50″ E | 924 | |
| Beni Ali | North | Schistose, non-calcareous soils, dry on severe slopes, with low organic matter content | 36°25′18.70″ N | 2°55′01.16″ E | 815 | |
| Oued Abrer | North | Schistose, non-calcareous soils | 36°24′32.19″ N | 2°46′04.46″ E | 768 | |
| Hammam Melouane Sector 36°28′30.79″ N, 3°03′02.90″ E | Sidi Aissa | Northwest | Non-calcareous soil with low organic matter at pH=6.8 | 36°28′13.61″ N | 3°02′27.90″ E | 550 |
| Douar Bou Hmar | Southeast | Grey schist | 36°22′58.63″ N | 3°21′15.75″ E | 350 | |
| Tabainet | East | Grey schist | 36°30′40.29″ N | 2°57′05.33″ E | 169 | |
| Sidi Serhane | South | Grey schist | 36°28′00.63″ N | 3°01′27.63″ E | 262 |
Figure 2:
Some of the orchid species observed at the study sites. A: Ophrys tenthredinifera, B: Ophrys apifera, C: Ophrys lutea, D: Ophrys speculum, E: Ophrys bombyliflora, F: Anacamptis coriophora, G: Limodorum abortivum, H: Orchis laeta, I: Serapias parviflora, J: Himantoglossum hircinum.
Slika 2: Nekatere vrste orhidej, ki smo jih opazili na raziskovanih območjih. A: Ophrys tenthredinifera, B: Ophrys apifera, C: Ophrys lutea, D: Ophrys speculum, E: Ophrys bombyliflora, F: Anacamptis coriophora, G: Limodorum abortivum, H: Orchis laeta, I: Serapias parviflora, J: Himantoglossum hircinum.
Table 2:
Orchid species recorded in Chréa park and specific synonymy.
Tabela 2: Vrste orhidej s sinonimi, ki smo jih zabeležili v parku.
| Taxon | Synonymy according to Maire (1959), Quézel & Santa (1962–1963), Dobignard & Chatelain (2010) | Nomenclature adopted by the African Plant Database (APD, 2025) |
|---|---|---|
| Anacamptis coriophora (L.) R. M. Bateman, Pridgeon & M. W. Chase | A. coriophora subsp. fragrans (Pollini) R. M. Bateman, Pridgeon & M. W. Chase Anteriorchis coriophora (L.) Klein & Strack Orchis coriophora L. subsp. fragrans (Pollini) K. Richt O. fragrans Pollini | A. coriophora (L.) R. M. Bateman, Pridgeon & M. W. Chase |
| Anacamptis papilionacea (L.) R. M. Bateman, Pridgeon & M. W. Chase | Orchis papilionacea L. sensu lato | A. papilionacea (L.) R. M. Bateman, Pridgeon & M. W. Chase |
| Cephalanthera longifolia (L.) Fritsch | / | C. longifolia(L.) Fritsch |
| Himantoglossum hircinum (L.) Spreng. | Aceras hircina (L.) Lindl. Loroglossum hircinum (L.) Rich. Orchis hircina (L.) Crantz Satyrium hircinum L. | H. hircinum (L.) Spreng. |
| Himantoglossum robertianum (Loisel.) P. Delforge | H. longibracteatum (Biv.) Schlechter Barlia robertiana (Loisel.) Greuter Orchis robertiana Loisel. | H. robertianum (Loisel.) P. Delforge |
| Limodorum abortivum (L.) Sw. | L. abortivum subsp. eu-abortivum (L.) Maire & Weiller Orchis abortiva L. | L. abortivum (L.) Sw. |
| Neotinea maculata (Desf.) Stearn | N. intacta (Link) Rchb. f. Aceras intactum (Link) Rchb. f. Orchis intacta Link Satyrium maculatum Desf. | Orchis intacta Link |
| Neotinea tridentata (Scop.) R. M. Bateman, Pridgeon & M. W. Chase | Orchis tridentata Scop. | N. tridentata (Scop.) R. M. Bateman, Pridgeon & M. W. Chase |
| Ophrys apifera Huds. | / | O. apifera Huds. |
| Ophrys atlantica Munby | O. fusca subsp. atlantica (Munby) Coss. | O. atlantica Munby |
| Ophrys bombyliflora Link | O. tabanifera Willd O. distoma Biv. O. pulla Dix. O. hiulca Sébast. & Mauri O. canaliculata Viv. O. labrofossa Brot. | O. bombyliflora Link |
| Ophrys fusca Link | / | O. fusca Link |
| Ophrys lutea Cav. | / | O. lutea Cav. |
| Ophrys speculum Link | O. ciliata Bivona O. vernixia Brot. | O. speculum Link |
| Ophrys tenthredinifera Willd. | / | O. tenthredinifera Willd. |
| Orchis anthropophora (L.) All. | Aceras anthropophorum (L.) W. T. Aïton Ophrys anthropophora L. | O. anthropophora (L.) All. |
| Orchis laeta Steinh. | O. provincialis var. laeta (Steinh.) Maire & Weiller Androrchis laeta (Steinh.) D.Tyteca & E.Klein | Androrchis pauciflora subsp. laeta (Steinh.) Véla, Rebbas & R. Martin |
| Orchis mascula (L.) L. | O. morio var. mascula L. Androrchis mascula (L.) D.Tyteca & E. Klein | Androrchis mascula (L.) D.Tyteca & E. Klein |
| Serapias parviflora Parl. | S. parviflora subsp. occultata (J.Gay ex Cavalier) Maire & Weiller | Serapias parviflora Parl. |
Figure 3:
Number of individuals of each orchid species recorded in the study area.
Slika 3: Število osebkov posameznih vrst orhidej, ki smo jih zabeležili na preučevanem območju.
Figure 4:
The average height (cm) of the orchid species inventoried in the study sites.
Slika 4: Povprečna višina orhidej, ki smo jih popisali na preučevanih območjih.
Figure 5:
AFC factor analysis (axes 2–3) highlighting the distribution of 19 species of orchids inventoried across 27 floristic readings. Some orchids have a clustered distribution, others show overlapping presence, while others are solitary.
Slika 5: AFC faktorska analiza (osi 2–3) z razporeditvijo 19 vrst orhidej, ki smo jih zabeležili v 27 florističnih popisih. Nekatere orhideje imajo gručasto razporeditev, druge se prekrivajo, tretje pa so samostojne.
Figure 6:
Distribution of study sites on the factorial plane (2,3) (CFA).
Slika 6: Razporeditev preučevanih območij na faktorski ravnini (2,3) (CFA).
Figure 7:
AFC axis 2–3. Highlighting the grouping of each of the 19 orchid species with the 131 co-occurring plant species, revealing the most characteristic species of the habitat.
Slika 7: Osi 2–3 v analizi AFC. 19 vrst orhidej s 131 vrstami drugih rastlin, s katerimi uspevajo skupaj in ki nakazujejo najbolj značilne vrste habitata.
Figure 8A:
Dispersal map and abundance graph for species of the genus Anacamptis in the study area (Chréa Park, northern Algeria).
Slika 8A: Zemljevid razširjenosti in graf številčnosti vrst iz rodu Anacamptis na območju raziskave (park Chréa, severna Alžirija).
Figure 8B:
Dispersal map and abundance graph for species of the genus Ophrys in the study area (Chréa Park, northern Algeria).
Slika 8B: Zemljevid razširjenosti in graf številčnosti vrst iz rodu Ophrys na območju raziskave (park Chréa, severna Alžirija).
Figure 8C:
Dispersal map and abundance graph for species of the genus Neotinea in the study area (Chréa Park, northern Algeria).
Slika 8C: Zemljevid razširjenosti in graf številčnosti vrst iz rodu Neotinea na območju raziskave (park Chréa, severna Alžirija).
Figure 8D:
Dispersal map and abundance graph for species of the genus Orchis in the study area (Chréa Park, northern Algeria).
Slika 8D: Zemljevid razširjenosti in graf številčnosti vrst iz rodu Orchis na območju raziskave (park Chréa, severna Alžirija).
Figure 8E:
Dispersal map and abundance graph for species of the genus Himantoglossum in the study area (Chréa Park, northern Algeria).
Slika 8E: Zemljevid razširjenosti in graf številčnosti vrst iz rodu Himantoglossum na območju raziskave (park Chréa, severna Alžirija).
Figure 8F:
Dispersal map and abundance graph for species of the genera Cephalanthera, Limodorum and Serapias in the study area (Chréa Park, northern Algeria).
Slika 8F: Zemljevid razširjenosti in graf številčnosti vrst iz rodov Cephalanthera, Limodorum in Serapias na območju raziskave (park Chréa, severna Alžirija).