cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.57760/sciencedb.iga.00724
title: Long term soil positioning observation dataset at Helen Station (2005, 2010, 2015)
title: 海伦站土壤长期定位观测数据集(2005，2010，2015年)

description: a. Data content (data file/table name, including observation index content)

The long-term soil positioning observation dataset of Hailun Station (2005, 2010, 2015) reflects the soil conditions of farmland in Hailun City, Heilongjiang Province, including multiple indicators such as soil exchange capacity, soil nutrients, mechanical composition, and bulk density.

b. Construction purpose

Mainly used for monitoring the dynamic changes of the national farmland ecosystem and researching related aspects of agricultural ecology.

c. Service object

National policy makers, students and researchers engaged in related research, management and teaching personnel, etc.

d. Time range of data

2005, 2010, 2015

e. The spatial range of data

National Field Science Observation and Research Station of Heilongjiang Hailun Agricultural Ecosystem in Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

The long-term soil positioning observation dataset of Hailun Station (2005, 2010, 2015) reflects the soil conditions of farmland in Hailun City, Heilongjiang Province, including multiple indicators such as soil exchange capacity, soil nutrients, mechanical composition, and bulk density.

b. Construction purpose

Mainly used for monitoring the dynamic changes of the national farmland ecosystem and researching related aspects of agricultural ecology.

c. Service object

National policy makers, students and researchers engaged in related research, management and teaching personnel, etc.

d. Time range of data

2005, 2010, 2015

e. The spatial range of data

National Field Science Observation and Research Station of Heilongjiang Hailun Agricultural Ecosystem in Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00725
title: Long term soil positioning observation dataset at Helen Station (1985-1994)
title: 海伦站土壤长期定位观测数据集（1985-1994年）

description: a. Data content (data file/table name, including observation index content)

Data File Name: Helen Station Soil Long Term Positioning Observation Dataset (1985-1994)

Contains 3 tables: Excel

(1) Soil nutrient observation dataset

(2) Dataset on the fate of nitrogen fertilizer in black soil farmland

(3) Black soil farmland phosphorus fertilizer residual efficiency dataset

This includes indicators such as nutrient supply capacity, nutrient release, crop nutrient content, soil nutrient content, nutrient budget, soil residual nitrogen, 15N abundance, soil residual fertilizer phosphorus, available phosphorus rate, and phosphorus concentration at the Helen Experimental Station.

b. Construction purpose

Study the changes in soil nutrients under different field management methods, the fate of fertilizer nitrogen under crop rotation, and the residual problems of phosphorus fertilizer in the soil, in order to promote the sustainable development of ecological agriculture.

c. Service object

Students, managers, and researchers engaged in research on nutrient cycling and soil fertility in farmland

d. Time range of data

The data was collected from 1985 to 1994

e. The spatial range and projection method of data

Helen's long-term positioning experimental station.
description: a. Data content (data file/table name, including observation index content)

Data File Name: Helen Station Soil Long Term Positioning Observation Dataset (1985-1994)

Contains 3 tables: Excel

(1) Soil nutrient observation dataset

(2) Dataset on the fate of nitrogen fertilizer in black soil farmland

(3) Black soil farmland phosphorus fertilizer residual efficiency dataset

This includes indicators such as nutrient supply capacity, nutrient release, crop nutrient content, soil nutrient content, nutrient budget, soil residual nitrogen, 15N abundance, soil residual fertilizer phosphorus, available phosphorus rate, and phosphorus concentration at the Helen Experimental Station.

b. Construction purpose

Study the changes in soil nutrients under different field management methods, the fate of fertilizer nitrogen under crop rotation, and the residual problems of phosphorus fertilizer in the soil, in order to promote the sustainable development of ecological agriculture.

c. Service object

Students, managers, and researchers engaged in research on nutrient cycling and soil fertility in farmland

d. Time range of data

The data was collected from 1985 to 1994

e. The spatial range and projection method of data

Helen's long-term positioning experimental station.
DOI: 10.57760/sciencedb.13137
title: Open versa closed system, for the single sperm vitrification: evaluation of morphometric dimensions and chromatin health
title: Open versa closed system, for the single sperm vitrification: evaluation of morphometric dimensions and chromatin health

description: data is SPSS file of variabloes
description: data is SPSS file of variabloes
DOI: 10.57760/sciencedb.iga.00726
title: Long term positioning observation dataset of water content at Helen Station（1959-1990，1990-1994，2003）
title: 海伦站水分长期定位观测数据集（1959-1990，1990-1994，2003年）

description: a. Data content (data file/table name, including observation index content)

Data file name: Long term positioning observation dataset of soil moisture at Helen Station (1959 1990 1990 1994 2003)

Contains 4 tables: Excel

(1) Moisture characteristic curve dataset

(2) Crop Water Consumption Dataset

(3) Farmland black soil moisture and wheat growth dataset

(4) Farmland black soil moisture and soybean growth dataset

This includes indicators such as soil moisture content, water column height, evaporation, transpiration, water consumption intensity, transpiration intensity, evaporation intensity, water consumption, water demand, soil water supply, yield, water consumption coefficient, water production efficiency, irrigation amount, soil moisture content, bulk density, porosity, precipitation, leakage, interception, transpiration efficiency, transpiration coefficient, assimilation, etc.

b. Construction purpose

Study soil water transport in the soil crop system and promote efficient utilization of soil water in farmland.

c. Service object

Students, managers, and researchers engaged in research related to soil moisture movement in farmland.

d. Time range of data

The data was collected from 1959 to 1990, 1990 to 1994, and 2003

e. The spatial range and projection method of data

Helen's long-term positioning experimental station.
description: a. Data content (data file/table name, including observation index content)

Data file name: Long term positioning observation dataset of soil moisture at Helen Station (1959 1990 1990 1994 2003)

Contains 4 tables: Excel

(1) Moisture characteristic curve dataset

(2) Crop Water Consumption Dataset

(3) Farmland black soil moisture and wheat growth dataset

(4) Farmland black soil moisture and soybean growth dataset

This includes indicators such as soil moisture content, water column height, evaporation, transpiration, water consumption intensity, transpiration intensity, evaporation intensity, water consumption, water demand, soil water supply, yield, water consumption coefficient, water production efficiency, irrigation amount, soil moisture content, bulk density, porosity, precipitation, leakage, interception, transpiration efficiency, transpiration coefficient, assimilation, etc.

b. Construction purpose

Study soil water transport in the soil crop system and promote efficient utilization of soil water in farmland.

c. Service object

Students, managers, and researchers engaged in research related to soil moisture movement in farmland.

d. Time range of data

The data was collected from 1959 to 1990, 1990 to 1994, and 2003

e. The spatial range and projection method of data

Helen's long-term positioning experimental station.
DOI: 10.57760/sciencedb.iga.00727
title: Helen City 1:250000 Grain Yield Distribution Dataset (2000)
title: 海伦市1:25万粮食产量分布数据集(2000年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: Hulun City 1:250000 Grain Yield Distribution Dataset (2000)

Main content: HlCereal2000 Data entity.shp

b. Construction purpose

This dataset mainly provides data support for research on the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

The data source was in 2000 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: Hulun City 1:250000 Grain Yield Distribution Dataset (2000)

Main content: HlCereal2000 Data entity.shp

b. Construction purpose

This dataset mainly provides data support for research on the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

The data source was in 2000 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00728
title: Helen City 1:250000 Grain Production Distribution Dataset (1990)
title: 海伦市1:25万粮食产量分布数据集(1990年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: Hulun City 1:250000 Grain Yield Distribution Dataset (1990)

Main content: HlCereal1990- Data entity.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

The data source was in 1990 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: Hulun City 1:250000 Grain Yield Distribution Dataset (1990)

Main content: HlCereal1990- Data entity.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

The data source was in 1990 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00729
title: The 1:250000 Grain Yield Distribution Dataset in Helen City (1981)
title: 海伦市1:25万粮食产量分布数据集(1981年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: Hulun City 1:250000 Grain Yield Distribution Dataset (1981)

Main content: HlCereal1981- Data entity.shp

b. Construction purpose

This dataset mainly provides data support services for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

The data source was in 1981 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: Hulun City 1:250000 Grain Yield Distribution Dataset (1981)

Main content: HlCereal1981- Data entity.shp

b. Construction purpose

This dataset mainly provides data support services for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

The data source was in 1981 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00730
title: 1:250000 Animal Husbandry Spatial Dataset in Helen City (1990)
title: 海伦市1:25万畜牧业空间数据集(1990年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Livestock Husbandry Spatial Dataset in Helen City (1990)

Main content: HlHusbanry1990.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research on agricultural ecology and animal husbandry.

d. Time range of data

The data source was in 1990 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Livestock Husbandry Spatial Dataset in Helen City (1990)

Main content: HlHusbanry1990.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research on agricultural ecology and animal husbandry.

d. Time range of data

The data source was in 1990 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00731
title: 1:250000 Animal Husbandry Spatial Dataset in Helen City (1981)
title: 海伦市1:25万畜牧业空间数据集(1981年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Livestock Husbandry Spatial Dataset in Helen City (1981)

Main content: HlHusbanry1981.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research on agricultural ecology and animal husbandry.

d. Time range of data

The data source was in 1981 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Livestock Husbandry Spatial Dataset in Helen City (1981)

Main content: HlHusbanry1981.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research on agricultural ecology and animal husbandry.

d. Time range of data

The data source was in 1981 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00732
title: 1:250000 Animal Husbandry Spatial Dataset in Helen City (1980)
title: 海伦市1:25万畜牧业空间数据集(1980年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Animal Husbandry Spatial Dataset in Helen City (1980)

Main content: HlHusbanry1980.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research on agricultural ecology and animal husbandry.

d. Time range of data

The data source was in 1980 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Animal Husbandry Spatial Dataset in Helen City (1980)

Main content: HlHusbanry1980.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research on agricultural ecology and animal husbandry.

d. Time range of data

The data source was in 1980 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00733
title: Hailun 1:250000 Climate Spatial Dataset (1978)
title: 海伦市1:25万气候空间数据集(1978年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Climate Spatial Dataset in Helen City (1978)

Main content: HlWeather.shp

b. Construction purpose

This dataset mainly provides data support for agricultural ecological research in black soil areas.

c. Service object

Students and researchers engaged in research in soil science, climatology, and agricultural ecology.

d. Time range of data

1978

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: 1:250000 Climate Spatial Dataset in Helen City (1978)

Main content: HlWeather.shp

b. Construction purpose

This dataset mainly provides data support for agricultural ecological research in black soil areas.

c. Service object

Students and researchers engaged in research in soil science, climatology, and agricultural ecology.

d. Time range of data

1978

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00734
title: 1:250000 Soil Zoning Spatial Dataset of Helen City (1978)
title: 海伦市1:25万土壤区划空间数据集(1978年)

description: a. Data content (data file/table name, including observation index content)

Data file name: Hailun City 1:250000 Soil Zoning Spatial Dataset (1978)

Main content: HlSoilZone.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

1978

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data file name: Hailun City 1:250000 Soil Zoning Spatial Dataset (1978)

Main content: HlSoilZone.shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research in soil science, agriculture, and agricultural ecology.

d. Time range of data

1978

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00735
title: 1:250000 Agricultural Zoning Spatial Dataset of Helen City (1978)
title: 海伦市1:25万农业区划空间数据集(1978年)

description: a. Data content (data file/table name, including observation index content) Data File Name: 1:250000 Agricultural Zoning Spatial Dataset in Helen City (1978) Main content: HlAgroZone.shp b. Construction purpose This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality. c. Service object Students and researchers engaged in research in soil science, agriculture, and agricultural ecology. d. Time range of data 1978 e. The spatial range and projection method of data Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content) Data File Name: 1:250000 Agricultural Zoning Spatial Dataset in Helen City (1978) Main content: HlAgroZone.shp b. Construction purpose This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality. c. Service object Students and researchers engaged in research in soil science, agriculture, and agricultural ecology. d. Time range of data 1978 e. The spatial range and projection method of data Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.iga.00736
title: Helen City 1:250000 Population Spatial Dataset (1986)
title: 海伦市1:25万人口空间数据集(1986年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: Helen City 1:250000 Population Spatial Dataset (1986)

Main content: HlPopulation Data Entity. shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in population geography research.

d. Time range of data

The data source was in 1986 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: Helen City 1:250000 Population Spatial Dataset (1986)

Main content: HlPopulation Data Entity. shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in population geography research.

d. Time range of data

The data source was in 1986 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.j00139.00082
title: pig caecun scRNA-seq data
title: pig caecun scRNA-seq data

description: pig caecun scRNA-seq data
description: pig caecun scRNA-seq data
DOI: 10.57760/sciencedb.iga.00737
title: Helen City 1:250000 Population Spatial Dataset (1981)
title: 海伦市1:25万人口空间数据集(1981年)

description: a. Data content (data file/table name, including observation index content)

Data File Name: Hailun City 1:250000 Population Spatial Dataset (1981)

Main content: HlPopulation Data Entity. shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research related to population geography.

d. Time range of data

The data source was in 1981 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
description: a. Data content (data file/table name, including observation index content)

Data File Name: Hailun City 1:250000 Population Spatial Dataset (1981)

Main content: HlPopulation Data Entity. shp

b. Construction purpose

This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality.

c. Service object

Students and researchers engaged in research related to population geography.

d. Time range of data

The data source was in 1981 and was produced in 2006.

e. The spatial range and projection method of data

Space scope: Hailun City, Heilongjiang Province
DOI: 10.57760/sciencedb.13142
title: ChnSentiCorp2 cleaning improved dataset
title: ChnSentiCorp2 清洗改进数据集

description: Transformed Huggingface's ChnSentiCorp into tsv format and performed a simple cleaning on ChnSentiCorp, removing some ultra short text and deleting some data with obvious label errors. 
description: Transformed Huggingface's ChnSentiCorp into tsv format and performed a simple cleaning on ChnSentiCorp, removing some ultra short text and deleting some data with obvious label errors.
DOI: 10.57760/sciencedb.13131
title: Genome sequence of Salix cheilophila
title: Genome sequence of Salix cheilophila

description: De novo genome assembly of Salix cheilophila.
description: De novo genome assembly of Salix cheilophila.