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Mass flowering area of dwarf bamboo Sasa sect. Sasa in Hokkaido in 2022–2023

dataset
posted on 2025-03-16, 00:35 authored by Nobuhiro Akashi

The flowering levels of the dwarf bamboo Sasa sect. Sasa were surveyed along major roads by Integrated Grid Square of Japan (so-called 2nd mesh, 5 min. along latitude, 7 min. 30 sec. along longitude, ca. 10 km square) to determine the area of mass flowering in Hokkaido, northern Japan in 2022 and 2023.

Categories

0: No flowering were found

1: Small flowering areas were slightly found

2: Flowering patches were occasionally found

3: Approximately half of Sasa sect. Sasa were in flowering

4: Most of Sasa sect. Sasa were in flowering

9: Sasa sect. Sasa were not found

Null: Not surveyed

Files

CSV file (Sasa2022-2023.csv) includes Mesh ID and data for 2022 and 2023.

GeoPackage file (Sasa2022-2023.gpkg) was created with 2nd mesh grid (Biodiversity Center of Japan, Ministry of the Environment). Coordinate Reference System is WGS84 (EPSG: 4326).


Please see the manuscript (in Japanese) for more detail. 

Funding

Is the current impact of sika deer on vegetation serious? Verification from population dynamics over the last few thousand years

Japan Society for the Promotion of Science

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History

Manuscript title

Mass flowering of dwarf bamboo Sasa sect. Sasa in Hokkaido in 2022–2023

Corresponding author email address

akashi-nobuhiro@hro.or.jp

Title (in Japanese)

北海道における2022-2023年のクマイザサの一斉開花範囲

Description (in Japanese)

北海道における2022-2023年のクマイザサの一斉開花について,2次メッシュ(約10km四方)を単位として主要道路沿い等で開花状況を5段階で記録した。 カテゴリー 0: 開花が見られない 1:小規模な開花がわずかにある 2:ときどきパッチ状の開花が見られる 3:開花と非開花が半々程度 4:開花が非開花よりも明らかに多い 9:クマイザサがほとんど生育しない 空欄:未調査 Sasa2022-2023.csvファイルにはメッシュID(標準地域メッシュ2次メッシュ)と2022年、2023年のデータを含む。 GeoPackageファイルの座標系はWGS84 (EPSG: 4326)。環境省自然環境局生物多様性センターが作成したメッシュデータを加工して作成した。 詳細については,論文を参照されたい。

Manuscript title (in Japanese)

北海道における2022-2023年のクマイザサの一斉開花

Authors (in Japanese)

明石 信廣

Copyright

© 2024 Nobuhiro Akashi

Common Metadata Elements (Only for the items supported by Japanese public funds)

  • This item includes dataset(s) related to publicly funded research (fill in all the fields below)

Funder

JSPS

Funding Stream Code in Japan Grant Number

21H02247

Program Name

ニホンジカによる植生への現在の影響は深刻なのか?過去数千年の個体群動態からの検証

Research Field

  • Natural Science(自然科学一般)

Access rights

  • Open(公開)

Usage metrics

    日本森林学会誌/Journal of the Japanese Forest Society

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