横断山区异极藻属硅藻中国新记录

雍园圆; 尤庆敏; 范思哲; 曹玥; 王全喜; 罗粉

doi:10.11913/PSJ.2095-0837.23150

横断山区异极藻属硅藻中国新记录

雍园圆^1,,
尤庆敏²,
范思哲¹,
曹玥²,
王全喜²,
罗粉^{1, 3, ,}

1.
玉溪师范学院化学生物与环境学院，云南玉溪 653100
2.
上海师范大学生命科学学院，上海 200234
3.
玉溪师范学院生物与环境工程研究院，云南玉溪 653100

基金项目: 云南省科技厅基础研究项目（202301AU070177）；国家自然科学基金项目（32170205）；云南省大学生创新创业项目（S202211390026）。

详细信息

作者简介:
雍园圆（2001−），女，学士，研究方向为硅藻分类（E-mail：2967862429@qq.com）

通讯作者:
罗粉: E-mail：luofen919@yxnu.edu.cn

中图分类号: Q949.27
计量
- 文章访问数: 137
- HTML全文浏览量: 27
- PDF下载量: 18
出版历程
- 收稿日期: 2023-08-14
- 录用日期: 2024-03-10
- 网络出版日期: 2024-06-30
- 刊出日期: 2024-06-29

Newly recorded species of Gomphonema from the Hengduan Mountains in China

1.
School of Chemistry, Biology and Environment, Yuxi Normal University, Yuxi, Yunnan 653100, China
2.
College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
3.
Research Institute of Biology and Environmental Engineering, Yuxi Normal University, Yuxi, Yunnan 653100, China

摘要

摘要:
报道了横断山区异极藻属（Gomphonema）硅藻中国新记录18种，分别为：缠结异极藻头端变种（G. intricatum var. capitata Hustedt）、变窄异极藻（G. angustius Reichardt）、非洲异极藻（G. afrhombicum Reichardt）、假中间异极藻（G. pseudointermedium Reichardt）、尖顶型异极藻（G. auguriforme Levkov）、加利福尼亚异极藻（G. californicum Stancheva & Kociolek）、近拉蒂科尔异极藻（G. sublaticollum Reichardt）、球顶异极藻（G. sphenovertex Lange-Bertalot & Reichardt）、威尔斯科异极藻（G. wiltschkorum Lange-Bertalot）、瓦尔达异极藻（G. vardarense Reichardt）、微小异极藻（G. parvuliforme Lange-Bertalot）、细小异极藻（G. parvuloides Cholnoky）、维多利亚异极藻（G. lacus-victoriensis Reichardt）、尤卡塔尼异极藻（G. yucatanense Metzeltin & Lange-Bertalot）、窄头异极藻（G. angusticephalum Reichardt & Lange-Bertalot）、长贝尔塔异极藻（G. lange-bertalotii Reichardt）、中间异极藻（G. intermedium Hustedt）和中亚异极藻（G. medioasiae Metzeltin, Lange-Bertalot & Nergui）。本研究对新记录种的形态特征进行了详细描述，给出了每个种的地理分布、生境信息和理化指标，并对新记录种及其相似种的形态特征进行了讨论。
- 硅藻 /
- 横断山 /
- 异极藻属 /
- 新记录
Abstract:
This paper reports 18 new records of diatoms from the genus Gomphonema in the Hengduan Mountains of China, including G. intricatum var. capitata Hustedt, G. angustius Reichardt, G. afrhombicum Reichardt, G. pseudointermedium Reichardt, G. auguriforme Levkov, G. californicum Stancheva & Kociolek, G. sublaticollum Reichardt, G. sphenovertex Lange-Bertalot & Reichardt, G. wiltschkorum Lange-Bertalot, G. vardarense Reichardt, G. parvuliforme Lange-Bertalot, G. parvuloides Cholnoky, G. lacus-victoriensis Reichardt, G. yucatanense Metzeltin & Lange-Bertalot, G. angusticephalum Reichardt & Lange-Bertalot, G. lange-bertalotii Reichardt, G. intermedium Hustedt, and G. medioasiae Metzeltin, Lange-Bertalot & Nergui. Detailed descriptions of the morphological characteristics, geographical distribution, habitat preferences, and physicochemical indices for each species are provided. Furthermore, comparative analyses of the morphological characteristics of the newly recorded species and their closely related counterparts are discussed.
- Diatoms /
- Hengduan Mountains /
- Gomphonema /
- New records

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图版Ⅰ 缠结异极藻头端变种、变窄异极藻和非洲异极藻。

1~7、17：缠结异极藻头端变种（1~7：光镜照片。17：扫描电镜照片，外壳面观）。8~13、15~16：变窄异极藻（8~13：光镜照片。15~16：扫描电镜照片；15：中央区的外壳面观，A代表孤点；16：外壳面观）。14：非洲异极藻（光镜照片）。

图版Ⅰ. Gomphonema intricatum var. capitata, G. angustius and G. afrhombicum.

1-7, 17: G. intricatum var. capitata (1-7: Light microscopy images. 17: Scanning electron microscopy images, external valve view). 8-13, 15-16: G. angustius (8-13: Light microscopy images. 15-16: Scanning electron microscopy images; 15: Internal valve view of central area, A is stigma; 16: External valve view). 14: G. afrhombicum (Light microscopy images).

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图版Ⅱ 假中间异极藻、尖顶型异极藻和加利福尼亚异极藻。

1~10、24：假中间异极藻（1~10：光镜照片。24：扫描电镜照片，外壳面观）。11~13：尖顶型异极藻（光镜照片）。14~23：加利福尼亚异极藻（14~21：光镜照片。22~23：扫描电镜照片；22：中央区的外壳面观，A代表孤点；23：外壳面观）。

图版Ⅱ. Gomphonema. pseudointermedium, G. auguriforme and G. californicum.

1-10, 24: G. pseudointermedium (1-10: Light microscopy images. 24: Scanning electron microscopy images, external valve view). 11-13: G. auguriforme (Light microscopy images). 14-23: G. californicum (14-21: Light microscopy images. 22-23: Scanning electron microscopy images; 22: Internal valve view of central area, A is stigma; 23: External valve view).

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图版Ⅲ 近拉蒂科尔异极藻、球顶异极藻、威尔斯科异极藻和瓦尔达异极藻。

1~4：近拉蒂科尔异极藻（光镜照片）。5~9、24：球顶异极藻（5~9：光镜照片。24：外壳面观）。10~11：威尔斯科异极藻（光镜照片）。12~23：瓦尔达异极藻（12~21：光镜照片。22~23：扫描电镜照片；22：内壳面观；23：外壳面观，A代表孤点）。

图版Ⅲ. Gomphonema sublaticollum, G. sphenovertex, G. wiltschkorum, and G. vardarense.

1-4: G. sublaticollum (Light microscopy images). 5-9, 24: G. sphenovertex (5-9: Light microscopy images. 24: External valve view). 10-11: G. wiltschkorum (Light microscopy images). 12-23: G. vardarense (12-21: Light microscopy images. 22-23: Scanning electron microscopy images; 22: Internal valve view; 23: External valve view, A is stigma).

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图版Ⅳ 微小异极藻、细小异极藻、维多利亚异极藻和尤卡塔尼异极藻。

1~7、23：微小异极藻（1~7：光镜照片。23：扫描电镜照片，外壳面观，A代表孤点）。8~12、24：细小异极藻:（8~12：光镜照片。24：扫描电镜照片，外壳面观）。13~18、25：维多利亚异极藻（13~18：光镜照片。25：扫描电镜照片，内壳面观）。19~22、26：尤卡塔尼异极藻（19~22：光镜照片。26：扫描电镜照片，外壳面观）。

图版Ⅳ. Gomphonema parvuliforme, G. parvuloides, G. lacus-victoriensis, and G. yucatanense.

1-7, 23: G. parvuliforme (1-7: Light microscopy images. 23: Scanning electron microscopy images, external valve view, A is stigma). 8-12, 24: G. parvuloides: (8-12: Light microscopy images. 24: Scanning electron microscopy images, external valve view). 13-18, 25: G. lacus-victoriensis Victoria (13-18: Light microscopy images. 25: Scanning electron microscopy images, internal valve view). 19-22, 26: G. yucatanense (19-22: Light microscopy images. 26: Scanning electron microscopy images, external valve view).

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图版Ⅴ 窄头异极藻和长贝尔塔异极藻。

1~3、15、16、18：窄头异极藻（1~3：光镜照片。15、16、18：扫描电镜照片；15：中央区的外壳面观，B代表孤点；16：远缝端和顶孔区的外壳面观；18：外壳面观）。4~14、17：长贝尔塔异极藻（4~12：光镜照片。13、14、17：扫描电镜照片；13：远缝端，A代表顶孔区；14：外壳面观；17：内壳面观）。

图版Ⅴ. Gomphonema angusticephalum and G. lange-bertalotii.

1-3, 15, 16, 18: G. angusticephalum (1-3: Light microscopy images. 15, 16, 18: Scanning electron microscopy images; 15: Internal valve view of central area, B is stigma; 16: External valve view of distant raphe end and apical pore field; 18: External valve view). 4-14, 17: G. lange-bertalotii (4-12: Light microscopy images. 13, 14, 17: Scanning electron microscopy images; 13: Distant raphe end, A is apical pore field; 14: External valve view; 17: Internal valve view).

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图版Ⅵ 中间异极藻和中亚异极藻。

1~13、30~32：中间异极藻（1~13：光镜照片。29~32：扫描电镜照片；30：外壳面观；31：内壳面观；32：带面观）。14~29：中亚异极藻（14~26：光镜照片。27~29：扫描电镜照片；27：中央区的外壳面观，A代表孤点；28：外壳面观；29：内壳面观）。

图版Ⅵ. Gomphonema intermedium and G. medioasiae.

1-13, 30-32: G. intermedium (1-13: Light microscopy images. 30-32: Scanning electron microscopy images; 30: External valve view; 31: External valve view; 32: Girdle view). 14-29: G. medioasiae (14-26: Light microscopy images. 27-29: Scanning electron microscopy images; 27: Internal valve view of central area, A is stigma; 28: External valve view; 29: Internal valve view).

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