Species diversity of myxomycetes in two forests of the Lesser Khinggan Mountains, China

doi:10.17520/biods.2019022

Abstract

Abstract:

Myxomycetes are widely distributed in forest ecosystems and play an important role in nutrient cycling. The diversity and distribution of myxomycetes in two forests of the Lesser Khinggan Mountains, China were examined in Tangwanghexing’anshilin Forest Park and Shengshan National Nature Reserve. A total of 248 samples of myxomycetes were collected and identified to 44 species belonging to 17 genera of eight families in four orders based on morphological characteristics. Ten new species were recorded in Heilongjiang Province, such as Craterium dictyosporum, Physarum album and Reticularia splendens var. jurana. The species diversity of myxomycetes was higher in Tangwanghexing’anshilin Forest Park (36 species) than in Shengshan National Nature Reserve (25 species). Among the 44 species, 17 species were found in both sites and the composition similarity (C_S) was 55.7%. Physarum viride was the most dominant species in mixed coniferous and broad-leaved forests. Hemitrichia serpula was the most dominant species in Pinus koraiensis forest. This study suggests that vegetation type has an important influence on the species composition and diversity of myxomycetes.

Key words: Myxomycetes, Physarales, new record, taxonomy

Fengyun Zhao, Yu Li, Tom Hsiang, Shuyan Liu. Species diversity of myxomycetes in two forests of the Lesser Khinggan Mountains, China[J]. Biodiv Sci, 2019, 27(8): 896-902.

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URL: https://www.biodiversity-science.net/EN/10.17520/biods.2019022

https://www.biodiversity-science.net/EN/Y2019/V27/I8/896

Figures/Tables 4

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属 Genus	种名 Species	相对多度 Relative abundance (%)
属 Genus	种名 Species	汤旺河 Tangwanghe	胜山 Shengshan
线膜菌属 Reticularia	Reticularia splendens var. jurana*	4.92	2.38
筛菌属 Cribraria	灯笼菌 Cribraria cancellatum var. cancellatum	2.46	-
	锈红筛菌Cribraria ferruginea*	0.82	-
	皱杯筛菌 Cribraria personii*	0.82	-
	紫筛菌 Cribraria purpurea	1.34	-
粉瘤菌属 Lycogala	粉瘤菌 Lycogala epidendrum	7.34	11.11
	小粉瘤菌 Lycogala exiguum	1.34	1.59
筒菌属 Tubifera	筒菌 Tubifera ferruginosa*	3.28	-
双皮菌属 Diderma	球形双皮菌 Diderma globosum	0.82	-
钙皮菌属 Didymium	小钙皮菌 Didymium minus*	0.82	-
	鳞钙皮菌 Didymium squamulosum	2.46	0.79
高杯菌属 Craterium	Craterium dictyosporum*	1.34	3.17
	白头高杯菌 Craterium leucocephalum	-	1.59
	高杯菌 Craterium minutum	1.34	-
煤绒菌属 Fuligo	煤绒菌 Fuligo septica	-	1.59
光果菌属 Leocarpus	光果菌 Leocarpus fragilis	0.82	0.79
绒泡菌属 Physarum	垂头绒泡菌 Physarum album*	6.56	3.97
	两瓣绒泡菌 Physarum bivalve	0.82	-
	灰绒泡菌 Physarum cinereum	0.82	0.79
	全白绒泡菌 Physarum globuliferum	-	2.38
	淡黄绒泡菌 Physarum melleum	-	0.79
	小绒泡菌 Physarum pusillum	-	1.59
	绿绒泡菌 Physarum viride	17.21	3.97
发网菌属 Stemonitis	锈发网菌 Stemonitis axifera	6.56	-
	褐发网菌 Stemonitis fusca	3.28	-
	草生发网菌 Stemonitis herbatica	1.34	-
	美发网菌 Stemonitis splendens	0.82	1.59
拟发网菌属 Stemonitopsis	香蒲拟发网菌 Stemonitopsis typhina	2.46	-
被网菌属 Arcyodes	Arcyodes incarnate*	0.82	-
团网菌属 Arcyria	灰团网菌 Arcyria cinerea	9	7.14
	锈色团网菌 Arcyria ferruginea	-	0.79
	瑞士团网菌 Arcyria helvetica*	3.28	0.79
	小红团网菌 Arcyria minuta	-	0.79
	朦纹团网菌 Arcyria stipata	-	5.56
变毛菌属 Metatrichia	暗红变毛菌 Metatrichia vesparium	1.34	10.32
半网菌属 Hemitrichia	细柄半网菌 Hemitrichia calyculata	3.28	3.17
	棒形半网菌 Hemitrichia clavata	0.82	1.59
	蛇形半网菌 Hemitrichia serpula	0.82	16.28
团毛菌属 Trichia	光丝团毛菌 Trichia affinis*	1.34	15.08
	栗褐团毛菌 Trichia botrytis	0.82	-
	长尖团毛菌 Trichia decipiens	3.28	-
	网孢团毛菌 Trichia favoginea	1.34	-
	环壁团毛菌 Trichia varia	0.82	-
	疣壁团毛菌 Trichia verrucosa	0.82	-

属 Genus	种名 Species	相对多度 Relative abundance (%)
属 Genus	种名 Species	汤旺河 Tangwanghe	胜山 Shengshan
线膜菌属 Reticularia	Reticularia splendens var. jurana*	4.92	2.38
筛菌属 Cribraria	灯笼菌 Cribraria cancellatum var. cancellatum	2.46	-
	锈红筛菌Cribraria ferruginea*	0.82	-
	皱杯筛菌 Cribraria personii*	0.82	-
	紫筛菌 Cribraria purpurea	1.34	-
粉瘤菌属 Lycogala	粉瘤菌 Lycogala epidendrum	7.34	11.11
	小粉瘤菌 Lycogala exiguum	1.34	1.59
筒菌属 Tubifera	筒菌 Tubifera ferruginosa*	3.28	-
双皮菌属 Diderma	球形双皮菌 Diderma globosum	0.82	-
钙皮菌属 Didymium	小钙皮菌 Didymium minus*	0.82	-
	鳞钙皮菌 Didymium squamulosum	2.46	0.79
高杯菌属 Craterium	Craterium dictyosporum*	1.34	3.17
	白头高杯菌 Craterium leucocephalum	-	1.59
	高杯菌 Craterium minutum	1.34	-
煤绒菌属 Fuligo	煤绒菌 Fuligo septica	-	1.59
光果菌属 Leocarpus	光果菌 Leocarpus fragilis	0.82	0.79
绒泡菌属 Physarum	垂头绒泡菌 Physarum album*	6.56	3.97
	两瓣绒泡菌 Physarum bivalve	0.82	-
	灰绒泡菌 Physarum cinereum	0.82	0.79
	全白绒泡菌 Physarum globuliferum	-	2.38
	淡黄绒泡菌 Physarum melleum	-	0.79
	小绒泡菌 Physarum pusillum	-	1.59
	绿绒泡菌 Physarum viride	17.21	3.97
发网菌属 Stemonitis	锈发网菌 Stemonitis axifera	6.56	-
	褐发网菌 Stemonitis fusca	3.28	-
	草生发网菌 Stemonitis herbatica	1.34	-
	美发网菌 Stemonitis splendens	0.82	1.59
拟发网菌属 Stemonitopsis	香蒲拟发网菌 Stemonitopsis typhina	2.46	-
被网菌属 Arcyodes	Arcyodes incarnate*	0.82	-
团网菌属 Arcyria	灰团网菌 Arcyria cinerea	9	7.14
	锈色团网菌 Arcyria ferruginea	-	0.79
	瑞士团网菌 Arcyria helvetica*	3.28	0.79
	小红团网菌 Arcyria minuta	-	0.79
	朦纹团网菌 Arcyria stipata	-	5.56
变毛菌属 Metatrichia	暗红变毛菌 Metatrichia vesparium	1.34	10.32
半网菌属 Hemitrichia	细柄半网菌 Hemitrichia calyculata	3.28	3.17
	棒形半网菌 Hemitrichia clavata	0.82	1.59
	蛇形半网菌 Hemitrichia serpula	0.82	16.28
团毛菌属 Trichia	光丝团毛菌 Trichia affinis*	1.34	15.08
	栗褐团毛菌 Trichia botrytis	0.82	-
	长尖团毛菌 Trichia decipiens	3.28	-
	网孢团毛菌 Trichia favoginea	1.34	-
	环壁团毛菌 Trichia varia	0.82	-
	疣壁团毛菌 Trichia verrucosa	0.82	-

目 Order	红松林 Pinus koraiensis forest			针阔混交林 Mixed forest
目 Order	科数 No. of family	属数 No. of genus	种数 No. of species	科数 No. of family		属数 No. of genus	种数 No. of species
无丝菌目 Liceales	2	2	3		3	4	8
绒泡菌目 Physarales	2	5	11		2	5	10
发网菌目 Stemonitales	1	1	1		1	2	5
团毛菌目 Trichiales	2	4	10		2	5	13
合计 Total	7	12	25		8	16	36
相对多度 Relative abundance		56.82%				81.82%
Shannon-Wiener指数 Shannon-Wiener index		2.72				3.06

目 Order	红松林 Pinus koraiensis forest			针阔混交林 Mixed forest
目 Order	科数 No. of family	属数 No. of genus	种数 No. of species	科数 No. of family		属数 No. of genus	种数 No. of species
无丝菌目 Liceales	2	2	3		3	4	8
绒泡菌目 Physarales	2	5	11		2	5	10
发网菌目 Stemonitales	1	1	1		1	2	5
团毛菌目 Trichiales	2	4	10		2	5	13
合计 Total	7	12	25		8	16	36
相对多度 Relative abundance		56.82%				81.82%
Shannon-Wiener指数 Shannon-Wiener index		2.72				3.06

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