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. 2021 Sep 15:9:e72521.
doi: 10.3897/BDJ.9.e72521. eCollection 2021.

A 30-year update of the climbers and vascular epiphytes inventory of the Cerro Ñielol Natural Monument (La Araucanía, Chile): a database

Jimmy Pincheira-Ulbrich  1 , Bárbara Vallejos  2 , Jorge Huincaguelo  2 , Ulises Zambrano  3 , Fernando Peña-Cortés  1
Affiliations

A 30-year update of the climbers and vascular epiphytes inventory of the Cerro Ñielol Natural Monument (La Araucanía, Chile): a database

Jimmy Pincheira-Ulbrich et al. Biodivers Data J. .

Abstract

Background: Plant species diversity may be seriously threatened in ecotone zones under global climate change. Therefore, keeping updated inventories of indicator species seems to be a good strategy for monitoring wild areas located in these strips. The database comes from an inventory of climbers and vascular epiphytes conducted in the Cerro Ñielol Natural Monument, a small protected area (89 hectares) located in Chile's Mediterranean-temperate phytogeographic region, within the boundaries of the city of Temuco, La Araucaína Region.The data represent the update of the first inventory carried out between 1980 and 1984. In this current contribution, data collection was carried out in 27 quadrats using the trails as transects. The data provide the record of 45 species (16 climbers, 15 epiphytes and 10 trees), including two accidental epiphytes (Acerpsudoplatanus L. and Gavileaodoratissima (L.) Endl. ex Griseb.), two species that can be found as epiphytes or terricolous (Hymenophyllumtunbrigense (L.) Sm. and Nerteragranadensis (Mutis ex L.f.) Druce) and one species (Chusqueaquila Kunth) that can be found as terricolous and climber. Species of interest were recorded on live trees (n = 51), snags (n = 9), stumps (n = 4), fallen log (n = 5) and on the forest soil (n = 17).The most abundant climbers were Hydrangeaserratifolia (Hook. & Arn.) F. Phil. (n = 77 stems), Lapageria rosea Ruiz & Pav. (n = 70 stems), Raukauavaldiviensis (Gay) Frodin (n = 48 stems) and Cissusstriata Ruiz & Pav. (n = 33 stems). In contrast, the most abundant epiphytes were Hymenophyllumplicatum Kaulf. (n = 1728 fronds) and Hymenophyllumtunbrigense (L.) Sm. (n = 2375 fronds). These latter two species represent the highest frequency and abundance in the whole inventory, respectively. Several ecosystem traits are, in fact, new reports since the first inventory was conducted in 1980-1984; for example, the presence of the filmy fern Hymenophyllumtunbrigense, the record of the climber Elytropuschilensis , fallen logs or the species-host relationship. Accordingly, the database is made available in this manuscript.

New information: This study updates the climbers and vascular epiphyte species list in the Cerro Ñielol Natural Monument, a small patch of forest under severe anthropogenic pressure. This protected area is characterised by floristic elements of the Mediterranean and temperate phytogeographic region of Chile, in a zone where forests have been severely deforested. The database includes the record of 45 species - including six species that were not recorded in the first inventory - in 211 records.The main novelty of this contribution is the systematic classification of species, on ten traits rarely reported in a floristic inventory: (i) species taxonomic identity (as usual), (ii) species abundance (number of stems and fronds), (iii) habit (herb, shrub, subshrub, tree), (iv) growth form (accidental epiphyte, epiphyte, vine, liana, terricolous), (v) climbing mechanism (tendrils, adhesive roots, twining, scrambling), (vi) microhabitat (fallen log, footpath slope, soil, stump, trunk), (vii) host species (where appropriate), (viii) host condition (live, woody debris, snag), (ix) host diameter at breast height (DBH) and (x) target species found over 2.3 m on trees.Thirty years after the first inventory conducted between 1980 and 1984, the climber assemblage has remained relatively stable over time, although there are some differences in species composition. Specifically, the climber Elytropuschilensis are recorded in the current inventory, but the Mitrariacoccinea (recorded in the first inventory) is not present. On the other hand, the epiphyte assemblage showed an increase in the species richness of filmy ferns, with five previously unrecorded species: Hymenophyllumcuneatum, H.dicranotrichum, H.pectinatum, H.peltatum and H.tunbrigense. One of the novel features was the presence of Sarmientascandens and Synammiafeuillei on a Pinusradiata D. Don tree. Additionally, the introduced species Acerpseudoplatanus is included, which is new to the Chilean vascular plant catalogue. All these data are available in the present manuscript.

Keywords: Mediterranean vegetation; biodiversity; filmy ferns; forest; phorophyte; vascular plants.

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Figures

Figure 1.
Figure 1.
Species richness classified by family, growth form and phylum. Polypo= Polypodiopsida, Mag = Magnoliophyta, Lilio = Liliopsida, Pin = Pinophyta.
Figure 2.
Figure 2.
Climbing mechanisms and host trees for climbers and epiphytes.
Figure 3a.
Figure 3a.
Boquilatrifoliolata (Lardizabalaceae)
Figure 3b.
Figure 3b.
Cissusstriata (Vitaceae)
Figure 3c.
Figure 3c.
Hydrangeaserratifolia (Hydrangeaceae)
Figure 3d.
Figure 3d.
Lardizabalabiternata (Lardizabalaceae)
Figure 3e.
Figure 3e.
Proustiapyrifolia (Asteraceae)
Figure 3f.
Figure 3f.
Raukauavaldiviensis (Araliaceae)
Figure 4a.
Figure 4a.
Bomareasalsilla (Alstroemeriaceae)
Figure 4b.
Figure 4b.
Lapageriarosea (Philesiaceae)
Figure 4c.
Figure 4c.
Luzuriagaradicans (Luzuriagaceae)
Figure 4d.
Figure 4d.
Muehlenbeckiahastulata (Polygonaceae)
Figure 5a.
Figure 5a.
Sarmientascandens (Gesneriaceae) growing on Pinusradiata (Pinaceae)
Figure 5b.
Figure 5b.
Synammiafeuillei (Polypodiaceae) growing on Pinusradiata (Pinaceae)
Figure 5c.
Figure 5c.
Acerpseudoplatanus (Aceraceae) growing on Cryptocaryaalba (Lauraceae)
Figure 5d.
Figure 5d.
Gavileaodoratissima (Orchidaceae) growing on Eucryphiacordifolia (Cunoniaceae)
Figure 6a.
Figure 6a.
Hymenophyllumcuneatum (Hymenophyllaceae)
Figure 6b.
Figure 6b.
Hymenophyllumdicranotrichum (Hymenophyllaceae)
Figure 6c.
Figure 6c.
Hymenophyllumpectinatum (Hymenophyllaceae)
Figure 6d.
Figure 6d.
Hymenophyllumtunbrigense (Hymenophyllaceae)
Figure 6e.
Figure 6e.
Elytropuschilensis (Apocynaceae)
Figure 6f.
Figure 6f.
Hymenophyllumpeltatum (Hymenophyllaceae)
Figure 7.
Figure 7.
Hederahelix (Araliaceae), introduced species.
Figure 8.
Figure 8.
Location of the Cerro Ñielol Natural Monument.
See this image and copyright information in PMC

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