Jocelin Andiana, Elga Renjana

Inventarisasi tumbuhan paku (Pteridophyta) pada Arboretum (Forested Area) Kebun Raya Purwodadi

Introduction

Inventarisasi tumbuhan paku (pteridophyta) pada arboretum (forested area) kebun raya purwodadi. Inventarisasi 11 spesies tumbuhan paku (Pteridophyta) di Arboretum Kebun Raya Purwodadi. Mengungkap 8 spesies asli Indonesia dan 2 spesies IUCN Red List (LC), penting untuk konservasi.

Abstract

Botanical Gardens is one of the ex situ plant conservation areas, one of them is Purwodadi Botanic Garden (PBG). One of the roles as an inventory is an important basis for assessing biodiversity in a particular area. PBG has a land that is intentionally forested, namely an arboretum (forested area). One of the plant groups that can be found in the PBG’s Arboretum is ferns (Pteridophyta). This study aimed to inventory of ferns in the PBG’s Arboretum completed with their conservation status. The method used in this study was the explorative method by exploring an area followed by observing the target plants. Furthermore, environmental data measurements were also carried out, including temperature, humidity, light intensity and soil pH. Based on the results of the study, were found 11 species, 8 genera, and 7 family of ferns in the PBG’s Arboretum. A total of 8 species of them are Indonesia's native species. Furthermore, two species have been recorded on the IUCN Red List site with the least concern (LC) category, which are Christella dentata and Tectaria. polymorpha. Therefore, it is necessary to conserve ferns, both in situ and ex situ.

Review

The study titled "Inventarisasi tumbuhan paku (Pteridophyta) pada Arboretum (Forested Area) Kebun Raya Purwodadi" addresses a highly relevant topic concerning biodiversity assessment within an important *ex situ* conservation area. The Purwodadi Botanic Garden (PBG) plays a crucial role in plant conservation, and focusing on its arboretum, a deliberately forested area, provides valuable insights into the flora it harbors. The clear objective of inventorying ferns (Pteridophyta) and assessing their conservation status within this specific habitat is well-articulated and directly contributes to understanding the ecological wealth of the botanical garden. Methodologically, the study employed an explorative approach combined with environmental data measurements (temperature, humidity, light intensity, soil pH), which is appropriate for an inventory-based research. The findings indicate the presence of 11 species across 8 genera and 7 families of ferns, an important baseline for the PBG's Arboretum. Significantly, the identification of 8 native Indonesian species underscores the arboretum's value in preserving local flora. Furthermore, noting the IUCN Red List status of *Christella dentata* and *Tectaria polymorpha* as Least Concern (LC) provides a specific conservation context for these species within the studied area. Overall, this study makes a solid contribution to the botanical knowledge of the Purwodadi Botanic Garden. Its strength lies in providing foundational data on pteridophyte diversity in a crucial conservation landscape and highlighting the need for continued conservation efforts, both *in situ* and *ex situ*. This inventory serves as an essential stepping stone for monitoring biodiversity and informing strategic conservation management plans for ferns within the PBG.

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