Study on Seasonal Dynamics of Rodent Community Structure in Different Habitats of Dafengmen Forest Farm and Its Surrounding Areas in Zengcheng District of Guangzhou

doi:10.11924/j.issn.1000-6850.casb2025-0705

Abstract

Abstract:

The purpose is to investigate the seasonal dynamics of rodent community structure across different habitats within an agroforestry ecotone, enrich local rodent community ecology data, and provide a reference basis for rodent population forecasting and scientific control. Study plots were established along a habitat gradient (farmland area, farmland-forest ecotone, forest area) around Dafengmen Forest Farm in Zengcheng District, Guangzhou City. Rodent community structure and its spatiotemporal dynamics were systematically surveyed quarterly using the snap-trapping method. A total of 134 rodents were captured, belonging to 7 species, 4 genera, and 1 family, namely Bandicota indica, Leopoldamys edwardsi, Niviventer fulvescens, Rattus andamanensis, Rattus losea, Rattus norvegicus, and Rattus tanezumi. The capture rate was highest in farmland (2.00%), followed by forest, and lowest in the ecotone. Seasonal capture rates ranked as summer > autumn > winter > spring. Community species composition differed significantly among habitats and seasons. Community diversity metrics (e.g., richness, Shannon-Wiener index, Pielou index, Simpson index, Margalef Richness index) were highest in farmland, followed by the ecotone, and lowest in forest, with overall higher values in winter and spring than in summer and autumn. Under seasonal shifts, the coefficients of variation for capture rate and community diversity indices were higher in forest habitats than in farmland, with the ecotone intermediate, indicating greater community stability in farmland habitats. Significant spatiotemporal dynamics in rodent density, species composition, and community diversity were observed in the study area, related to habitat heterogeneity, food resource abundance, anthropogenic disturbance, and rodent ecological traits. The rodent community structure within the agroforestry ecotone formed by mosaic of natural forest and farmland is unique, necessitating targeted control strategies and techniques.

Key words: Dafengmen forest farm, rodents, community structure, habitats, seasonal dynamics

CLC Number:

S443.5

LIN Siliang, JIANG Hongxue, YAO Dandan, FENG Zhiyong, QIN Jiao. Study on Seasonal Dynamics of Rodent Community Structure in Different Habitats of Dafengmen Forest Farm and Its Surrounding Areas in Zengcheng District of Guangzhou[J]. Chinese Agricultural Science Bulletin, 2026, 42(11): 170-176.

Figures/Tables 6

References 27

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属名	种名	拉丁名	不同生境捕鼠数/ind.
属名	种名	拉丁名	农区	农林交错区	林区	总计	占比/%
板齿鼠属	板齿鼠	Bandicota indica	19	0	0	19	14.18
小泡巨鼠属	小泡巨鼠	Leopoldamys edwardsi	0	0	1	1	0.75
白腹鼠属	针毛鼠	Nivienter fulvescens	2	23	41	66	49.25
家鼠属	黑缘齿鼠	Rattus andamanensisi	0	4	0	4	2.98
	黄毛鼠	Rattus loses	14	0	0	14	10.45
	褐家鼠	Rattus norvegicus	5	0	0	5	3.73
	黄胸鼠	Rattus tanezumi	8	15	2	25	18.66
总计/ind.			48	42	44	134	100
有效夹数/ind.			2400	2395	2398	7193
捕获率/%			2.00	1.75	1.83	1.86

属名	种名	拉丁名	不同生境捕鼠数/ind.
属名	种名	拉丁名	农区	农林交错区	林区	总计	占比/%
板齿鼠属	板齿鼠	Bandicota indica	19	0	0	19	14.18
小泡巨鼠属	小泡巨鼠	Leopoldamys edwardsi	0	0	1	1	0.75
白腹鼠属	针毛鼠	Nivienter fulvescens	2	23	41	66	49.25
家鼠属	黑缘齿鼠	Rattus andamanensisi	0	4	0	4	2.98
	黄毛鼠	Rattus loses	14	0	0	14	10.45
	褐家鼠	Rattus norvegicus	5	0	0	5	3.73
	黄胸鼠	Rattus tanezumi	8	15	2	25	18.66
总计/ind.			48	42	44	134	100
有效夹数/ind.			2400	2395	2398	7193
捕获率/%			2.00	1.75	1.83	1.86

属名	种名	拉丁名	不同季节捕鼠数/ind.
属名	种名	拉丁名	春季	夏季	秋季	冬季	总计	占比/%
板齿鼠属	板齿鼠	Bandicota indica	1	3	9	6	19	14.18
小泡巨鼠属	小泡巨鼠	Leopoldamys edwardsi	0	0	1	0	1	0.75
白腹鼠属	针毛鼠	Nivienter fulvescens	6	25	26	9	66	49.25
家鼠属	黑缘齿鼠	Rattus andamanensisi	0	3	0	1	4	2.98
	黄毛鼠	Rattus loses	1	4	0	9	14	10.45
	褐家鼠	Rattus norvegicus	1	1	3	0	5	3.73
	黄胸鼠	Rattus tanezumi	3	15	5	2	25	18.66
总计/ind.			12	51	44	27	134	100
有效夹数/ind.			1795	1798	1804	1796	7193
捕获率/%			0.67	2.84	2.44	1.50	1.86

属名	种名	拉丁名	不同季节捕鼠数/ind.
属名	种名	拉丁名	春季	夏季	秋季	冬季	总计	占比/%
板齿鼠属	板齿鼠	Bandicota indica	1	3	9	6	19	14.18
小泡巨鼠属	小泡巨鼠	Leopoldamys edwardsi	0	0	1	0	1	0.75
白腹鼠属	针毛鼠	Nivienter fulvescens	6	25	26	9	66	49.25
家鼠属	黑缘齿鼠	Rattus andamanensisi	0	3	0	1	4	2.98
	黄毛鼠	Rattus loses	1	4	0	9	14	10.45
	褐家鼠	Rattus norvegicus	1	1	3	0	5	3.73
	黄胸鼠	Rattus tanezumi	3	15	5	2	25	18.66
总计/ind.			12	51	44	27	134	100
有效夹数/ind.			1795	1798	1804	1796	7193
捕获率/%			0.67	2.84	2.44	1.50	1.86

不同生境	物种数	多样性指数	均匀度指数	优势度指数	丰富度指数
农区	5	1.393	0.865	0.718	1.033
农林交错区	3	0.921	0.839	0.563	0.535
林区	3	0.292	0.266	0.129	0.529