摘要
man’,’serif’; COLOR: black; FONT-SIZE: 14pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-theme-font: minor-fareast" lang=EN-US>On the basis of some related studiesman’; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ’Times New Roman’; mso-hansi-font-family: ’Times New Roman’; mso-fareast-theme-font: minor-fareast">,man’,’serif’; COLOR: black; FONT-SIZE: 14pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-theme-font: minor-fareast" lang=EN-US>this paper focuses on the pollen study of Holocene natural sequence and human induced siteman’; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ’Times New Roman’; mso-hansi-font-family: ’Times New Roman’; mso-fareast-theme-font: minor-fareast">,man’,’serif’; COLOR: black; FONT-SIZE: 14pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-theme-font: minor-fareast" lang=EN-US>in combination with pollen morphology study on some regular crops and their related weedsman’; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ’Times New Roman’; mso-hansi-font-family: ’Times New Roman’; mso-fareast-theme-font: minor-fareast">,man’,’serif’; COLOR: black; FONT-SIZE: 14pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-theme-font: minor-fareast" lang=EN-US>and surface pollen analysis from some representative vegetation zonesman’; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ’Times New Roman’; mso-hansi-font-family: ’Times New Roman’; mso-fareast-theme-font: minor-fareast">,man’,’serif’; COLOR: black; FONT-SIZE: 14pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-theme-font: minor-fareast" lang=EN-US>in order to extract the possible anthropogenic indicators in pollen diagramsman’; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ’Times New Roman’; mso-hansi-font-family: ’Times New Roman’; mso-fareast-theme-font: minor-fareast">,man’,’serif’; COLOR: black; FONT-SIZE: 14pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-theme-font: minor-fareast" lang=EN-US>and further assess the human impact on environment. Pollen morphology study and surface sample pollen investigation reveal some integrated anthropogenic indicators. Three main developing stages of local vegetation are recognized from the Holocene natural sequence.