Data Set Citation:
When using this data, please cite the data package:
Uryu Experimental Forest .
tree census, long-term permanent plot No.22 (compartment 317), Uryu Experimental Forest, Hokkaido, establishment in 1997
JaLTER-Hokkaido-Kita.1460.1 (https://db.cger.nies.go.jp/JaLTER/metacat/metacat/JaLTER-Hokkaido-Kita.1460.1/jalter-en)
General Information:
Title:tree census, long-term permanent plot No.22 (compartment 317), Uryu Experimental Forest, Hokkaido, establishment in 1997
(ja) 毎木調査,長期観察林22号(317林班),雨龍研究林,北海道,1997年調査
Identifier:JaLTER-Hokkaido-Kita.1460.1
Abstract:
In Hokkaido University, Uryu Experimental Forest, compartment 317, the dynamics of mixd forest . In 1992, a tree census with an area of 0.50 ha (100 m x 50 m) was established. The diameter at breast height (DBH), tree height, and crown width were measured at 5-10 year intervals . (ja) 北海道大学雨龍研究林317林班で針広混交林の動態を調べた。1992年に面積0.50ha (100m×50m)の調査区を設けた。5~10年間隔で胸高直径,樹高,樹幹幅を計測した。
Keywords:tree census / 森林調査(しんりんちょうさ):
  • long-term permanent plot
    (ja) 長期観察林(ちょうきかんさつりん)
  • tree census
    (ja) 毎木調査(まいぼくちょうさ)
study site / 調査サイト:
  • compartment 317
    (ja) 317林班
  • Uryu
    (ja) 雨龍
  • Hokkaido
    (ja) 北海道
forest type / 森林タイプ:
  • natural forest
    (ja) 天然林
Data Table, Image, and Other Data Details:
Metadata download: Ecological Metadata Language (EML) File
Data Table:JDC_uryu-no22_19970422.csv / JDC_uryu-no22_19970422.csv ( View Metadata | Download File download)

Involved Parties

Data Set Owners:
Individual: Uryu Experimental Forest (ja) 雨龍研究林(うりゅうけんきゅうりん)
Organization:Field Science Center for Northern Biosphere, Hokkaido University
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Moshiri,
Horokanai Uryu-gun, Hokkaido 074-0741 Japan
(ja) 日本 074-0741 北海道(ほっかいどう) 雨竜郡(うりゅうぐん)幌加内町(ほろかないちょう)
(ja)字母子里(あざもしり)
Phone:
+81-165-38-2125 / 0165-38-2125 (voice)
Phone:
+81-165-38-2400 / 0165-38-2400 (fax)
Email Address:
uryu@fsc.hokudai.ac.jp
Web Address:
http://www.hokudaiforest.jp
Data Set Contacts:
Individual: Uryu exprometal forest (ja) 雨龍研究林
Organization:Northern Forestry Research and Development Office, Forest Research Station, Field Science Center for Northern Biosphere, Hokkaido Univeraity
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Mosiri,
Horokanai, Hokkaido 074-0741 Japan
(ja) 日本 074-0741 北海道 幌加内
(ja)母子里
Phone:
+81-165-38-2125 / +81-165-38-2125 (voice)
Phone:
+81-165-38-2410 / +81-165-38-2410 (fax)
Email Address:
uryu@fsc.hokudai.ac.jp
Web Address:
http://forest.fsc.hokudai.ac.jp/~exfor/fr/
Associated Parties:
Individual: Uryu Experimental Forest (ja) 雨龍研究林(うりゅうけんきゅうりん)
Organization:Field Science Center for Northern Biosphere, Hokkaido University
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Moshiri,
Horokanai Uryu-gun, Hokkaido 074-0741 Japan
(ja) 日本 074-0741 北海道(ほっかいどう) 雨竜郡(うりゅうぐん)幌加内町(ほろかないちょう)
(ja)字母子里(あざもしり)
Phone:
+81-165-38-2125 / 0165-38-2125 (voice)
Phone:
+81-165-38-2400 / 0165-38-2400 (fax)
Email Address:
uryu@fsc.hokudai.ac.jp
Web Address:
http://www.hokudaiforest.jp
Individual: staff room of Forest Research Station (ja) 森林圏統括管理部(しんりんけんとうかつかんりぶ)
Organization:Field Science Center for Northern Biosphere, Hokkaido University
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Kita-9, Nishi-9, Kitaku,
Sapporo, Hokkaido 060-0809 Japan
(ja) 日本 060-0809 北海道 札幌市
(ja)北区北9西10
Phone:
+81-1656-5-3216 / 011-706-3651 (voice)
Phone:
+81-1656-5-3218 / 011-706-3451 (fax)
Email Address:
shinrin@fsc.hokudai.ac.jp
Web Address:
http://www.hokudaiforest.jp

Data Set Characteristics

Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "a". / 杭aのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.2045482  degrees
East:  142.2045482  degrees
North:  44.40498659  degrees
South:  44.40498659  degrees
Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "b". / 杭bのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.2045674  degrees
East:  142.2045674  degrees
North:  44.40454021  degrees
South:  44.40454021  degrees
Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "c". / 杭cのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.2033107  degrees
East:  142.2033107  degrees
North:  44.40455424  degrees
South:  44.40455424  degrees
Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "d". / 杭dのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.2033026  degrees
East:  142.2033026  degrees
North:  44.40502149  degrees
South:  44.40502149  degrees
Time Period:
Date:
1992-04-09
Time Period:
Date:
1997-04-22
Time Period:
Date:
2002-04-17
Time Period:
Date:
2017-04-26
Time Period:
Date:
2022-04-18
Taxonomic Range:
Taxonomic System:
Classification Citation:
Title:Y List
(ja) 「BG Plants 和名−学名インデックス」 (YList)
Author(s):
Individual: /Yonekura, Kajita (ja) 米倉 浩司, 梶田 忠
BOOK:
Publisher:
Organization:http://www.ylist.info/
(ja) http://www.ylist.info/
ID Name:
Organization:Unknown
Procedures:Unknown
Classification:
Rank Name:Species
Rank Value:Abies sachalinensis (F.Schmidt) Mast. Var. corticosa Tatew.
Common Name:トドマツ
Classification:
Rank Name:Species
Rank Value:Quercus crispula Blume
Common Name:ミズナラ

Sampling, Processing and Quality Control Methods

Step by Step Procedures
Step 1:
Description:

Location / 位置

The tree census plot is located in compartment 317 of Uryu Experimental Forest. The area of the tree census is 0.50ha (100m x 50m).
(ja) 調査地は雨龍研究林第317林班に位置する。調査区の面積は0.50ha(100m×50m)である。

Step 2:
Description:

Targets to measure / 測定対象

The target trees were 4 cm or more in diameter at breast height (1.3 m). Individual trees were identified using numbered metal plates.
(ja) 胸高直径4cm以上を対象とした。金板を調査木に取り付け個体識別した。

Instrument(s): metal plate / アルミ製金板
Step 3:
Description:

Species / 樹種名

Species of the targeted trees were recorded.
(ja) 測定対象木の樹種を記録した。

Step 4:
Description:

Girth at breast height, Diameter at breast height / 胸高周囲長(きょうこう しゅういちょう)、胸高直径(きょうこうちょっけい)

In 1997 , diameter at breast height (DBH: 1.3 m above ground) was measured with a diameter tape measure (First decimal place).
(ja) 1997年の調査では測定対象木の胸高直径(地上1.3m)を、直径巻尺を用いて計測した(cm:小数点第一位)。

Instrument(s): diameter tape measure / 直径巻尺(1997年)
Step 5:
Description:

Survival / 生枯(せいこ)

Survival or death of the individual was visually measured.
(ja) 測定対象木の生死を確認した。

Step 6:
Description:

Shortage of wood / 欠点(けってん)

Shortage of wood of the targeted trees was measured. Description of wood damage: broken, fallen, fungal-damaged, insect-damaged, frost crack, bent, bifurcated, unavailable (as timber).
(ja) 測定対象木を木材として利用した場合の欠点を記録した。記載内容:折れ、倒れ、菌害木(きんがいぼく)、虫害木(ちゅうがいぼく)、凍裂木(とうれつぼく)、曲がり、二叉(ふたまた)、採材不能(さいざいふのう。木材として使用不可能)。

Step 7:
Description:

Grade of wood quality 2 / 樹幹級(じゅかんきゅう)

Grade of tree quality was classified into five categories (after the 'Terasaki'classification) for trees in coniferous forests. Code indications. 1: overstory tree with good wood quality, 2: overstory tree with unstraight stem or with a sign of death, decay, or weakening, or that interrupt a better tree, 3: understory tree, which is expectable to continue vigorous growth, 4: suppressed understory tree, 5: understory tree with unstraight stem or with a sign of death, decay or weakening.
(ja) 「樹幹級」は針葉樹林に適用し、樹木を以下の5つに区分する(寺崎式樹形級区分に準拠)。1:上層の優良木、2:あばれ木、上層の樹冠過弱木・樹冠偏倚木・分岐木・被害木、3:下層木の良木(将来良好な生育が見込まれるもの)、4: 被圧木(ひあつぼく)、5:生育衰退木・倒木・枯損木・傾斜木.

Step 8:
Description:

Tree height / 樹高(じゅこう)

In 1997 , height was visually measured with a scale pole (0.1m unit).
(ja) 1997年の調査では目視と測桿(そっかん)ポールを用いて0.1m単位で計測した。

Instrument(s): scale pole / 測桿(そっかん)ポール

Data Set Usage Rights

This dataset is provided under a Creative Commons Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0; https://creativecommons.org/licenses/by-nc/4.0/deed.en). Data users should acknowledge as follows in any publications where the dataset contributed to its content: "Data for XXX was provided by Field Science Center for Northern Biosphere, Hokkaido University". Data users will notify the Data Set Contact when any publication based on or derived from the Data Set is distributed.
(ja) データの利用は、クリエーディブ・コモンズの非営利4.0国際に従って提供します (CC BY-NC 4.0; https://creativecommons.org/licenses/by-nc/4.0/deed.ja)。公表にあたっては、データの出典を謝辞等に明記するとともに、成果品および利用報告を提出してください。
Access Control:
Auth System:JaLTER
Order:allowFirst
Allow: [read] public
Metadata download: Ecological Metadata Language (EML) File