Bryophytes diversity of Tianmushan National Nature Reserve, Zhejiang Province

doi:10.17520/biods.2022649

Abstract

Abstract:

Aim: Bryophytes are commonly overlooked in field observations and collections due to their small size, making it difficult to obtain an objective and exhaustive checklist of bryophytes in a region. As a result, there are great limitations in the general study and conservation of bryophyte diversity. Taking Tianmushan National Nature Reserve (TNNR) in Zhejiang as an example, this paper aims to investigate the diversity of bryophytes by sampling strategy combining two methods, namely floristic habitat sampling (FHS) method and plot sampling (PS) method.

Methods: Using the two sampling methods (FHS and PS), the study systematically investigated the diversity of bryophytes in different vegetation types along the elevational gradients of the reserve, and compiled a bryophyte checklist in this reserve by combining the current and historical information.

Results: There are 394 species of bryophytes obtained from 143 genera in 56 families, including 103 species of liverworts obtained from 30 genera in 16 families and 291 species of mosses obtained from 113 genera in 40 families, with 5 of these species being endangered. Compared with the historical data of the reserve, 4 families, 31 genera and 182 species were newly added in this study. Among them, 1 family, 8 genera and 33 species were newly records in Zhejiang Province. The FHS and PS methods contributed 81% and 72% of the total number of species, respectively, but when the survey was restricted to epiphytic habitats only, the total number of species and the newly added species obtained by the PS method were higher than those by the FHS method. Although the number of species from the survey of eight plots/tree (represented a high sampling effort) was significantly higher than the results of two plots/tree, the sampling results of only two plots/tree (only sampling from the 0.3 m and 1.5 m of a tree) contributed 75% of the total richness.

Conclusion: The results indicated the sampling strategy in this study obtained a high number of newly-added bryophyte species. Further, since the species composition indicates great differences in the temporal gradient, it is recommended to conduct similar surveys and studies in other nature reserves in an effort to update the bryophytes checklist of each reserve, and to provide the latest detailed information for researching bryophyte conservation.

Key words: species diversity, bryophytes, biodiversity inventory, subtropical forests

Xing Chen, Shuwen Tu, Zun Dai, Shuang Gao, Youfang Wang, Shichen Xing, Bojia Wei, Luyan Tang, Ruiping Shi, Xiaorui Wang, Yongying Liu, Dongping Zhao, Xia Tang, Xue Yao, Mingshui Zhao, Hanxing Wu, Xiangbin Qi, Jian Zhang, Min Li, Jian Wang. Bryophytes diversity of Tianmushan National Nature Reserve, Zhejiang Province[J]. Biodiv Sci, 2023, 31(4): 22649.

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URL: https://www.biodiversity-science.net/EN/10.17520/biods.2022649

https://www.biodiversity-science.net/EN/Y2023/V31/I4/22649

Figures/Tables 6

References 43

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优势科 Dominant families						优势属 Dominant genera
苔藓植物 Bryophytes			新增苔藓植物 Newly added bryophytes			苔藓植物 Bryophytes			新增苔藓植物 Newly added bryophytes
科 Family	种数 No. of species	百分比 Percent	科 Family	种数 No. of species	百分比 Percent	属 Genus	种数 No. of species	百分比 Percent	属 Genus	种数 No. of species	百分比 Percent
青藓科 Brachytheciaceae	32	8.12%	细鳞苔科 Lejeuneaceae	18	9.89%	绢藓属 Entodon	17	4.31%	棉藓属 Plagiothecium	8	4.40%
细鳞苔科 Lejeuneaceae	26	6.60%	平藓科 Neckeraceae	17	9.34%	光萼苔属 Porella	17	4.31%	耳叶苔属 Frullania	7	3.85%
平藓科 Neckeraceae	26	6.60%	棉藓科 Plagiotheciaceae	14	7.69%	耳叶苔属 Frullania	16	4.06%	细鳞苔属 Lejeunea	7	3.85%
提灯藓科 Mniaceae	20	5.08%	提灯藓科 Mniaceae	11	6.04%	凤尾藓属 Fissidens	12	3.05%	光萼苔属 Porella	7	3.85%
棉藓科 Plagiotheciaceae	19	4.82%	灰藓科 Hypnaceae	9	4.95%	棉藓属 Plagiothecium	12	3.05%	平藓属 Neckera	6	3.30%
绢藓科 Entodontaceae	18	4.57%				青藓属 Brachythecium	10	2.54%	绢藓属 Entodon	5	2.75%
						匐灯藓属 Plagiomnium	10	2.54%	树平藓属 Homaliodendron	5	2.75%
						灰藓属 Hypnum	9	2.28%	疣鳞苔属 Cololejeunea	4	2.20%
						细鳞苔属 Lejeunea	9	2.28%	凤尾藓属 Fissidens	4	2.20%
						羽藓属 Thuidium	9	2.28%	灰藓属 Hypnum	4	2.20%
									匐灯藓属 Plagiomnium	4	2.20%
									多褶苔属 Spruceanthus	4	2.20%
总计 Total	141	35.79%	总计 Total	69	37.91%	总计 Total	121	30.71%	总计 Total	65	35.71%

优势科 Dominant families						优势属 Dominant genera
苔藓植物 Bryophytes			新增苔藓植物 Newly added bryophytes			苔藓植物 Bryophytes			新增苔藓植物 Newly added bryophytes
科 Family	种数 No. of species	百分比 Percent	科 Family	种数 No. of species	百分比 Percent	属 Genus	种数 No. of species	百分比 Percent	属 Genus	种数 No. of species	百分比 Percent
青藓科 Brachytheciaceae	32	8.12%	细鳞苔科 Lejeuneaceae	18	9.89%	绢藓属 Entodon	17	4.31%	棉藓属 Plagiothecium	8	4.40%
细鳞苔科 Lejeuneaceae	26	6.60%	平藓科 Neckeraceae	17	9.34%	光萼苔属 Porella	17	4.31%	耳叶苔属 Frullania	7	3.85%
平藓科 Neckeraceae	26	6.60%	棉藓科 Plagiotheciaceae	14	7.69%	耳叶苔属 Frullania	16	4.06%	细鳞苔属 Lejeunea	7	3.85%
提灯藓科 Mniaceae	20	5.08%	提灯藓科 Mniaceae	11	6.04%	凤尾藓属 Fissidens	12	3.05%	光萼苔属 Porella	7	3.85%
棉藓科 Plagiotheciaceae	19	4.82%	灰藓科 Hypnaceae	9	4.95%	棉藓属 Plagiothecium	12	3.05%	平藓属 Neckera	6	3.30%
绢藓科 Entodontaceae	18	4.57%				青藓属 Brachythecium	10	2.54%	绢藓属 Entodon	5	2.75%
						匐灯藓属 Plagiomnium	10	2.54%	树平藓属 Homaliodendron	5	2.75%
						灰藓属 Hypnum	9	2.28%	疣鳞苔属 Cololejeunea	4	2.20%
						细鳞苔属 Lejeunea	9	2.28%	凤尾藓属 Fissidens	4	2.20%
						羽藓属 Thuidium	9	2.28%	灰藓属 Hypnum	4	2.20%
									匐灯藓属 Plagiomnium	4	2.20%
									多褶苔属 Spruceanthus	4	2.20%
总计 Total	141	35.79%	总计 Total	69	37.91%	总计 Total	121	30.71%	总计 Total	65	35.71%

物种 Species	濒危等级 Endangered level	标本数量 No. of specimen	海拔 Elevation	生境 Habitat
滇西高领藓 Glyphomitrium minutissimum	极危 Critically Endangered (CR)	1	1,439 m	树干 Tree trunk
白绿细鳞苔 Lejeunea pallide-virens	易危 Vulnerable (VU)	3	950-1,360 m	树干、树基 Tree trunk, tree base
平齿平藓 Neckera laevidens	易危 Vulnerable (VU)	1	665.62 m	树干 Tree trunk
翠平藓 Neckera perpinnata	易危 Vulnerable (VU)	4	1,083-1,085 m	树干、树基、朽木 Tree trunk, tree base, rotten wood
长肋异齿藓 Regmatodon longinervis	易危 Vulnerable (VU)	1	431.95 m	树干 Tree trunk

物种 Species	濒危等级 Endangered level	标本数量 No. of specimen	海拔 Elevation	生境 Habitat
滇西高领藓 Glyphomitrium minutissimum	极危 Critically Endangered (CR)	1	1,439 m	树干 Tree trunk
白绿细鳞苔 Lejeunea pallide-virens	易危 Vulnerable (VU)	3	950-1,360 m	树干、树基 Tree trunk, tree base
平齿平藓 Neckera laevidens	易危 Vulnerable (VU)	1	665.62 m	树干 Tree trunk
翠平藓 Neckera perpinnata	易危 Vulnerable (VU)	4	1,083-1,085 m	树干、树基、朽木 Tree trunk, tree base, rotten wood
长肋异齿藓 Regmatodon longinervis	易危 Vulnerable (VU)	1	431.95 m	树干 Tree trunk