<|begin_of_text|><|start_header_id|>system<|end_header_id|>You are an expert on climate change, human mobility and migration. Answer the question truthfully.<|eot_id|><|start_header_id|>user<|end_header_id|>Here are the title and abstract of a scientific paper probably related to climate change, human mobility and migration..
Title:"Multi-Isotopic Investigation of Population Dynamics and Mobility among Rural Medieval Christian Communities at Ghazali, Northern Sudan."
Abstract:"The archaeological site of Ghazali (northern Sudan) provides a rare opportunity to investigate the dynamics of mixed economies and mobility on the fringes on the Nile valley at the time of Christian expansion in Nubia. Thanks to its particular hydrological conditions, Sudan has a long history of diverse groups pursuing different economic activities, with agricultural communities settled along the fertile Nile valley and various mobile pastoralists groups occupying vast areas of the adjacent deserts. Ghazali represents an early medieval Nubian rural site with an extensive funerary zone. Somewhat removed from the Nile valley, Ghazali extends along the western bank of a large wadi, Wadi Abu Dom, running across the Bayuda desert, dated ca. 7th-13th century CE. Multi-isotopic analysis of human tooth enamel from Cemeteries 1, 3, and 4 was used to explore patterns of mobility among these communities. Ten enamel samples were subjected to 87Sr/86Sr analysis, while 24 individuals were studied for their d18O values. 87Sr/86Sr and d18O values were very heterogeneous, suggesting that the Ghazali community, as a whole, benefited from a variety of water sources, perhaps including significant contributions from groundwater wells. We suggest that this adds further support for the reconstruction of a mixed practice of agriculture and animal herding in the neighbouring Bayuda desert. These data add to growing evidence for diverse and flexible mixed economies in eastern Africa that provided food security even under the most challenging of conditions.."
I have six questions you need to answer.
Q1: Is this article is about 'human migration mobility': 1 = yes; 0 = no. Answer with a number. Do not give a textual explanation.

Q2: What drivers of migration and mobility does the article study? 0 = 'other', 1 = 'climate', 2 = 'environment', 3 = 'economic', 4 = 'conflict', 5 = 'political', 6 = 'social', 7 = 'family'. Answer with a number or a sequence of numbers separated by commas. Do not give a textual explanation. 

Q3: What is the overall sentiment of the article?:0 = 'neutral', 1 = 'negative', 2 = 'positive'. Answer with a number. Do not give a textual explanation.

Q4: What type of climate or environmental keywords are explicitly mentioned?:  0 = 'none', 1 = 'algal blooms', 2 = 'infestation', 3 = 'infectious diseases', 4 = 'ocean acidification', 5 = 'sea ice', 6 = 'acid rain', 7 = 'drought', 8 = 'cold wave', 9 = 'heat wave', 10 = 'glacial', 11 = 'wildfire', 12 = 'air pollution', 13 = 'biodiversity loss', 14 = 'coastal erosion', 15 = 'land degradation', 16 = 'deforestation', 17 = 'desertification', 18 = 'water pollution', 19 = 'diebacks', 20 = 'permafrost loss', 21 = 'sand mining', 22 = 'sea level rise', 23 = 'earthquake', 24 = 'tsunami', 25 = 'volcanic', 26 = 'flood', 27 = 'avalanche', 28 = 'landslide', 29 = 'downburst', 30 = 'thunderstorm', 31 = 'sandstorm', 32 = 'haze', 33 = 'storm', 34 = 'cyclone', 35 = 'blizzard', 36 = 'hail', 37 = 'snow', 38 = 'tornado', 39 = 'wind', 40 = 'hurricane', 41 = 'typhoon', 42 = 'other'. Answer with a number or a sequence of numbers separated by commas. Do not give a textual explanation. 

Q5: What discipline does the article belong to?: 0 = 'other', 1 = 'social science', 2 = 'natural science', 3 = 'arts and humanities', 4 = 'multidiscipline and interdiscipline'. Answer with a number. Do not give a textual explanation.

Q6: Does the article apply quantitative and/or statistical analysis?: 0 = 'no', 1 = 'yes'. Answer with a number. Do not give a textual explanation.

Use the following template: 

Q1 = [];
Q2 = [];
Q3 = [];
Q4 = [];
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Q6 = [].<|eot_id|><|start_header_id|>assistant<|end_header_id|>Answer:

Multi-Isotopic Investigation of Population Dynamics and Mobility among Rural Medieval Christian Communities at Ghazali, Northern Sudan
The archaeological site of Ghazali (northern Sudan) provides a rare opportunity to investigate the dynamics of mixed economies and mobility on the fringes on the Nile valley at the time of Christian expansion in Nubia. Thanks to its particular hydrological conditions, Sudan has a long history of diverse groups pursuing different economic activities, with agricultural communities settled along the fertile Nile valley and various mobile pastoralists groups occupying vast areas of the adjacent deserts. Ghazali represents an early medieval Nubian rural site with an extensive funerary zone. Somewhat removed from the Nile valley, Ghazali extends along the western bank of a large wadi, Wadi Abu Dom, running across the Bayuda desert, dated ca. 7th-13th century CE. Multi-isotopic analysis of human tooth enamel from Cemeteries 1, 3, and 4 was used to explore patterns of mobility among these communities. Ten enamel samples were subjected to 87Sr/86Sr analysis, while 24 individuals were studied for their d18O values. 87Sr/86Sr and d18O values were very heterogeneous, suggesting that the Ghazali community, as a whole, benefited from a variety of water sources, perhaps including significant contributions from groundwater wells. We suggest that this adds further support for the reconstruction of a mixed practice of agriculture and animal herding in the neighbouring Bayuda desert. These data add to growing evidence for diverse and flexible mixed economies in eastern Africa that provided food security even under the most challenging of conditions.