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question-answer dataset covers dissolved oxygen, ammonia nitrogen, pH, temperature, feeding, and aeration management. Samples ask models to analyze how farming conditions affect water quality and prawn condition, distinguishing likely direct causes, contributing factors, and accompanying observations. It supports causal reasoning supervised fine-tuning, as well as training and evaluation of context-based explanations and management judgments.\u003C\u002Fp>","2026-10-17 18:40:36","2026-10-19 21:42:05","0.00",0,5000,"giant freshwater prawn dataset,pond water quality data,aquaculture question answering,water quality causal reasoning,dissolved oxygen analysis,ammonia nitrogen management,aquaculture reasoning training,aquaculture AI training data","Question-answer data for giant freshwater prawn ponds, covering water quality, feeding, and aeration to support causal reasoning and management decisions.","JSON","0.4GB","freshwater prawn aquaculture, pond water quality management, aquatic animal health assessment","causal reasoning, water quality analysis, evidence-based decision making","V1.0","rivo\u002Fsample-packages\u002Fc3895e0e-7c75-44e5-9ba0-2d0b4a7b1217\u002F20261017.zip",[583,588,593,598,603,608,613],{"id":572,"name":584,"field":585,"intro":586,"type":587},"File Name","file_name","File name","string",{"id":589,"name":590,"field":591,"intro":592,"type":587},9776,"Likely Causes","likely_causes","Lists and explains the factors most likely to cause the reported water quality or prawn condition changes, distinguishing direct causes from contributing factors.",{"id":594,"name":595,"field":596,"intro":597,"type":587},9777,"Aquaculture Scenario and Question","question_context","The original input, including pond dissolved oxygen, ammonia nitrogen, pH, temperature, feeding, aeration management, and the question to answer.",{"id":599,"name":600,"field":601,"intro":602,"type":587},9778,"Uncertainty Notes","uncertainty_notes","Identifies missing information, alternative explanations, and indicators that may require further monitoring or verification.",{"id":604,"name":605,"field":606,"intro":607,"type":587},9779,"Causal Explanation","causal_explanation","Explains how aquaculture conditions cause or affect water quality changes and giant freshwater prawn condition, describing the main causal relationships.",{"id":609,"name":610,"field":611,"intro":612,"type":587},9780,"Management Judgment and Recommendations","management_judgment","Uses the causal analysis to provide judgments and recommendations for feeding, aeration, or other aquaculture management measures.",{"id":614,"name":615,"field":616,"intro":617,"type":587},9781,"Accompanying Observations","accompanying_observations","Describes water quality indicators, prawn behavior or condition, and farming observations that occur alongside the issue but cannot be assumed to cause it directly.",[619,623,627,631],{"id":620,"question":621,"answer":622},6757,"What aquaculture information does the dataset cover?","It focuses on giant freshwater prawn pond scenarios involving dissolved oxygen, ammonia nitrogen, pH, temperature, feeding, and aeration management. Samples ask how these conditions relate to water quality changes and prawn condition.",{"id":624,"question":625,"answer":626},6758,"Which training and evaluation tasks does it support?","The data can support causal reasoning supervised fine-tuning, aquaculture question answering, water quality change analysis, cause identification, and management recommendation generation. It can also help evaluate whether a model distinguishes likely causes from observations that merely occur alongside an issue.",{"id":628,"question":629,"answer":630},6759,"What are the dataset size and quality specifications?","The information provided does not specify the sample count, file format, or quality review standards. Before purchase or integration, check the product listing for detailed specifications and confirm coverage, field formats, and acceptance criteria.",{"id":632,"question":633,"answer":634},6760,"How can I obtain the data, and what are the licensing terms?","The delivery method and license scope are subject to the terms provided on the product page or by the seller. If they are not stated, confirm the delivery method, commercial use rights, and redistribution restrictions before use.",[636,650,661],{"id":637,"relate_table":638,"relate_id":639,"file_size":572,"file_name":640,"path":8,"duration":572,"cate":483,"file_format":641,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":642,"cate_name":643,"likely_causes":644,"question_context":645,"uncertainty_notes":646,"causal_explanation":647,"management_judgment":648,"accompanying_observations":649},15376,"union_cubo",2095240516,"样例_3.json","json","{\"likely_causes\": \"The ration increase and persistent uneaten pellets are the clearest plausible contributors to the rising nitrogen load and additional decomposition-related oxygen demand. Shrimp excretion and accumulated pond-bottom organic matter could also contribute to TAN, but the available information does not quantify their roles. The predawn oxygen reading indicates that oxygen supply and demand should be reviewed; the fact that aeration is scheduled does not establish that its capacity or operation is sufficient.\", \"question_context\": \"Over the past 10 days in a Macrobrachium rosenbergii pond, TAN has increased from 0.3 to 1.1 mg\u002FL. Predawn dissolved oxygen is 4.0 mg\u002FL, pH is 7.8, and water temperature is 29.5°C. Feed trays have had more uneaten pellets than usual after the ration was increased, and aeration runs from 22:00 until sunrise. Shrimp are eating less at the latest feeding. What is the most plausible connection between feeding, TAN, oxygen, and the change in feeding response?\", \"uncertainty_notes\": \"The timing and methods of the TAN measurements, the number of sampling points, and the pond-bottom condition are not specified. Reduced feeding can have causes not captured by these observations. Follow-up measurements of TAN, dissolved oxygen, pH, and temperature, together with feed-consumption records and an equipment check, are needed to clarify the relationships.\", \"causal_explanation\": \"The increase in TAN alongside uneaten feed is consistent with a greater nitrogen input and more organic material being broken down, although the observations do not establish that feed is the only source. Decomposition and waste processing can consume oxygen, which may contribute to a low predawn reading even with nighttime aeration. Reduced feeding may be a response to pond conditions, but it could also have other explanations; it should not be treated as proof that elevated TAN caused it. At pH 7.8, the measured TAN still needs to be interpreted with temperature and sampling conditions to assess ammonia risk.\", \"management_judgment\": \"Reassess the ration using feed-tray consumption and avoid feeding more than the shrimp are taking. Verify that aerators are operating effectively and measure dissolved oxygen before sunrise at multiple pond locations. Repeat TAN, pH, and temperature measurements, and inspect pond-bottom organic accumulation. Make any water-management changes cautiously and only after checking source-water quality and the pond's current conditions.\", \"accompanying_observations\": \"Lower feeding response occurred alongside the water-quality changes, but it is an observation rather than a confirmed consequence of TAN. Predawn dissolved oxygen of 4.0 mg\u002FL and pH 7.8 provide useful context but do not alone identify the cause of reduced feeding. The aeration schedule is also not evidence of actual oxygen conditions throughout the pond.\"}","文本","The ration increase and persistent uneaten pellets are the clearest plausible contributors to the rising nitrogen load and additional decomposition-related oxygen demand. Shrimp excretion and accumulated pond-bottom organic matter could also contribute to TAN, but the available information does not quantify their roles. The predawn oxygen reading indicates that oxygen supply and demand should be reviewed; the fact that aeration is scheduled does not establish that its capacity or operation is sufficient.","Over the past 10 days in a Macrobrachium rosenbergii pond, TAN has increased from 0.3 to 1.1 mg\u002FL. Predawn dissolved oxygen is 4.0 mg\u002FL, pH is 7.8, and water temperature is 29.5°C. Feed trays have had more uneaten pellets than usual after the ration was increased, and aeration runs from 22:00 until sunrise. Shrimp are eating less at the latest feeding. What is the most plausible connection between feeding, TAN, oxygen, and the change in feeding response?","The timing and methods of the TAN measurements, the number of sampling points, and the pond-bottom condition are not specified. Reduced feeding can have causes not captured by these observations. Follow-up measurements of TAN, dissolved oxygen, pH, and temperature, together with feed-consumption records and an equipment check, are needed to clarify the relationships.","The increase in TAN alongside uneaten feed is consistent with a greater nitrogen input and more organic material being broken down, although the observations do not establish that feed is the only source. Decomposition and waste processing can consume oxygen, which may contribute to a low predawn reading even with nighttime aeration. Reduced feeding may be a response to pond conditions, but it could also have other explanations; it should not be treated as proof that elevated TAN caused it. At pH 7.8, the measured TAN still needs to be interpreted with temperature and sampling conditions to assess ammonia risk.","Reassess the ration using feed-tray consumption and avoid feeding more than the shrimp are taking. Verify that aerators are operating effectively and measure dissolved oxygen before sunrise at multiple pond locations. Repeat TAN, pH, and temperature measurements, and inspect pond-bottom organic accumulation. Make any water-management changes cautiously and only after checking source-water quality and the pond's current conditions.","Lower feeding response occurred alongside the water-quality changes, but it is an observation rather than a confirmed consequence of TAN. Predawn dissolved oxygen of 4.0 mg\u002FL and pH 7.8 provide useful context but do not alone identify the cause of reduced feeding. The aeration schedule is also not evidence of actual oxygen conditions throughout the pond.",{"id":651,"relate_table":638,"relate_id":652,"file_size":572,"file_name":653,"path":8,"duration":572,"cate":483,"file_format":641,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":654,"cate_name":643,"likely_causes":655,"question_context":656,"uncertainty_notes":657,"causal_explanation":658,"management_judgment":659,"accompanying_observations":660},15375,661584139,"样例_2.json","{\"likely_causes\": \"The most plausible driver of the daily swing is substantial plankton activity, with nighttime respiration contributing to the predawn oxygen decline. Limited nighttime oxygen replacement could worsen that decline if aeration is insufficient. The dense green appearance supports, but does not confirm, a high plankton load. Elevated afternoon pH is a condition that may increase ammonia hazard at the measured TAN level; it should not be mistaken for the cause of the nighttime oxygen consumption.\", \"question_context\": \"In a Macrobrachium rosenbergii pond, afternoon pH is 9.1 and dissolved oxygen is 10.2 mg\u002FL; before sunrise, pH is 7.6 and dissolved oxygen falls to 3.4 mg\u002FL. Water temperature is 31°C, TAN is 0.5 mg\u002FL, and the water has a dense green appearance. Shrimp gather near an operating aerator at dawn. How could the daily changes be related, and what should be treated as a cause versus a coincident observation?\", \"uncertainty_notes\": \"Only one daily cycle is described, so the size and persistence of the swings are unknown. No information is given on aerator capacity, weather, pond depth, or plankton composition. Repeated measurements at consistent locations and times, including near the bottom, would help confirm whether plankton activity and nighttime oxygen demand explain the pattern.\", \"causal_explanation\": \"The large day-to-night changes are consistent with strong daily plankton activity: photosynthesis during daylight can raise dissolved oxygen and remove carbon dioxide, increasing pH, while respiration at night consumes oxygen and releases carbon dioxide, lowering oxygen and pH. The predawn oxygen reading is therefore a direct concern, whereas the daytime oxygen and pH readings do not rule out overnight stress. The high afternoon pH can increase the proportion of TAN present as unionized ammonia, although the TAN value and a single pH reading are not enough to establish toxicity. The green water and dawn aggregation near the aerator fit this interpretation but do not prove it on their own.\", \"management_judgment\": \"Continue monitoring dissolved oxygen through the night and before sunrise, and ensure aeration is adequate during the period of greatest oxygen risk. Track pH and temperature at matching morning and afternoon times and repeat TAN measurements. Avoid sudden measures that could destabilize a dense plankton population; base any pond-water or bloom management on repeat measurements and pond-specific conditions.\", \"accompanying_observations\": \"The green water and shrimp near the aerator are concurrent observations, not independent proof of a plankton-related oxygen problem. Afternoon dissolved oxygen of 10.2 mg\u002FL describes conditions at that time only and cannot establish that oxygen remains adequate overnight. TAN of 0.5 mg\u002FL must be interpreted alongside pH, temperature, and sampling time.\"}","The most plausible driver of the daily swing is substantial plankton activity, with nighttime respiration contributing to the predawn oxygen decline. Limited nighttime oxygen replacement could worsen that decline if aeration is insufficient. The dense green appearance supports, but does not confirm, a high plankton load. Elevated afternoon pH is a condition that may increase ammonia hazard at the measured TAN level; it should not be mistaken for the cause of the nighttime oxygen consumption.","In a Macrobrachium rosenbergii pond, afternoon pH is 9.1 and dissolved oxygen is 10.2 mg\u002FL; before sunrise, pH is 7.6 and dissolved oxygen falls to 3.4 mg\u002FL. Water temperature is 31°C, TAN is 0.5 mg\u002FL, and the water has a dense green appearance. Shrimp gather near an operating aerator at dawn. How could the daily changes be related, and what should be treated as a cause versus a coincident observation?","Only one daily cycle is described, so the size and persistence of the swings are unknown. No information is given on aerator capacity, weather, pond depth, or plankton composition. Repeated measurements at consistent locations and times, including near the bottom, would help confirm whether plankton activity and nighttime oxygen demand explain the pattern.","The large day-to-night changes are consistent with strong daily plankton activity: photosynthesis during daylight can raise dissolved oxygen and remove carbon dioxide, increasing pH, while respiration at night consumes oxygen and releases carbon dioxide, lowering oxygen and pH. The predawn oxygen reading is therefore a direct concern, whereas the daytime oxygen and pH readings do not rule out overnight stress. The high afternoon pH can increase the proportion of TAN present as unionized ammonia, although the TAN value and a single pH reading are not enough to establish toxicity. The green water and dawn aggregation near the aerator fit this interpretation but do not prove it on their own.","Continue monitoring dissolved oxygen through the night and before sunrise, and ensure aeration is adequate during the period of greatest oxygen risk. Track pH and temperature at matching morning and afternoon times and repeat TAN measurements. Avoid sudden measures that could destabilize a dense plankton population; base any pond-water or bloom management on repeat measurements and pond-specific conditions.","The green water and shrimp near the aerator are concurrent observations, not independent proof of a plankton-related oxygen problem. Afternoon dissolved oxygen of 10.2 mg\u002FL describes conditions at that time only and cannot establish that oxygen remains adequate overnight. TAN of 0.5 mg\u002FL must be interpreted alongside pH, temperature, and sampling time.",{"id":662,"relate_table":638,"relate_id":663,"file_size":572,"file_name":664,"path":8,"duration":572,"cate":483,"file_format":641,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":665,"cate_name":643,"likely_causes":666,"question_context":667,"uncertainty_notes":668,"causal_explanation":669,"management_judgment":670,"accompanying_observations":671},15374,1606932029,"样例_1.json","{\"likely_causes\": \"The most direct concern is inadequate overnight oxygen supply relative to pond oxygen demand, especially with aeration stopped around midnight. The recent ration increase is a plausible contributing factor because additional feed and waste can increase biological oxygen consumption and nitrogen loading. The available readings do not show whether the TAN rise preceded the oxygen decline or whether other factors, such as a dense plankton population, contributed.\", \"question_context\": \"A Macrobrachium rosenbergii pond has a predawn dissolved oxygen reading of 3.1 mg\u002FL. Total ammonia nitrogen (TAN) is 0.7 mg\u002FL, afternoon pH is 8.4, and water temperature is 30°C. The daily ration was increased by about 20% this week, and the aerator is usually switched off around midnight. Shrimp have been observed near the water inlet before sunrise. What factors could explain the low predawn oxygen and how might the other readings affect risk?\", \"uncertainty_notes\": \"The readings are limited to a few measurements, and the pH and dissolved oxygen values were recorded at different times. The pond's depth, plankton abundance, bottom condition, aerator capacity, and recent weather are not provided. Repeated predawn and afternoon measurements of dissolved oxygen, pH, temperature, and TAN would help distinguish overnight oxygen demand from other contributors.\", \"causal_explanation\": \"The low predawn dissolved oxygen is consistent with oxygen consumption by shrimp, plankton, and decomposition continuing overnight while photosynthetic oxygen production has stopped. The higher feed load may also increase oxygen demand as uneaten feed and waste decompose. TAN indicates a nitrogen load, but it does not by itself establish the cause of the oxygen drop. At an afternoon pH of 8.4, a larger share of TAN may be present as the more toxic unionized ammonia than at a lower pH; temperature also affects that balance. The shrimp gathering near the inlet may be a response to better-oxygenated water, but this observation alone does not prove the cause.\", \"management_judgment\": \"Check dissolved oxygen near the pond bottom and at several locations before sunrise, and extend or adjust nighttime aeration to maintain adequate oxygen. Review feed-tray consumption and reduce the ration if feed remains uneaten rather than continuing the recent increase. Recheck TAN and pH at the same time of day, and assess ammonia risk using both measurements and temperature. Avoid abrupt water-quality changes while the cause is being assessed.\", \"accompanying_observations\": \"The afternoon pH of 8.4 and TAN of 0.7 mg\u002FL are relevant to ammonia risk, but neither independently explains the predawn oxygen reading. Shrimp near the inlet are an accompanying behavioral sign that may be consistent with oxygen seeking; they are not a direct measurement of oxygen stress or a diagnosis.\"}","The most direct concern is inadequate overnight oxygen supply relative to pond oxygen demand, especially with aeration stopped around midnight. The recent ration increase is a plausible contributing factor because additional feed and waste can increase biological oxygen consumption and nitrogen loading. The available readings do not show whether the TAN rise preceded the oxygen decline or whether other factors, such as a dense plankton population, contributed.","A Macrobrachium rosenbergii pond has a predawn dissolved oxygen reading of 3.1 mg\u002FL. Total ammonia nitrogen (TAN) is 0.7 mg\u002FL, afternoon pH is 8.4, and water temperature is 30°C. The daily ration was increased by about 20% this week, and the aerator is usually switched off around midnight. Shrimp have been observed near the water inlet before sunrise. What factors could explain the low predawn oxygen and how might the other readings affect risk?","The readings are limited to a few measurements, and the pH and dissolved oxygen values were recorded at different times. The pond's depth, plankton abundance, bottom condition, aerator capacity, and recent weather are not provided. Repeated predawn and afternoon measurements of dissolved oxygen, pH, temperature, and TAN would help distinguish overnight oxygen demand from other contributors.","The low predawn dissolved oxygen is consistent with oxygen consumption by shrimp, plankton, and decomposition continuing overnight while photosynthetic oxygen production has stopped. The higher feed load may also increase oxygen demand as uneaten feed and waste decompose. TAN indicates a nitrogen load, but it does not by itself establish the cause of the oxygen drop. At an afternoon pH of 8.4, a larger share of TAN may be present as the more toxic unionized ammonia than at a lower pH; temperature also affects that balance. The shrimp gathering near the inlet may be a response to better-oxygenated water, but this observation alone does not prove the cause.","Check dissolved oxygen near the pond bottom and at several locations before sunrise, and extend or adjust nighttime aeration to maintain adequate oxygen. Review feed-tray consumption and reduce the ration if feed remains uneaten rather than continuing the recent increase. Recheck TAN and pH at the same time of day, and assess ammonia risk using both measurements and temperature. Avoid abrupt water-quality changes while the cause is being assessed.","The afternoon pH of 8.4 and TAN of 0.7 mg\u002FL are relevant to ammonia risk, but neither independently explains the predawn oxygen reading. Shrimp near the inlet are an accompanying behavioral sign that may be consistent with oxygen seeking; they are not a direct measurement of oxygen stress or a diagnosis.","{\"likely_causes\":\"The ration increase and persistent uneaten pellets are the clearest plausible contributors to the rising nitrogen load and additional decomposition-related oxygen demand. Shrimp excretion and accumulated pond-bottom organic matter could also contribute to TAN, but the available information does not quantify their roles. The predawn oxygen reading indicates that oxygen supply and demand should be reviewed; the fact that aeration is scheduled does not establish that its capacity or operation is sufficient.\",\"question_context\":\"Over the past 10 days in a Macrobrachium rosenbergii pond, TAN has increased from 0.3 to 1.1 mg\\\u002FL. Predawn dissolved oxygen is 4.0 mg\\\u002FL, pH is 7.8, and water temperature is 29.5°C. Feed trays have had more uneaten pellets than usual after the ration was increased, and aeration runs from 22:00 until sunrise. Shrimp are eating less at the latest feeding. What is the most plausible connection between feeding, TAN, oxygen, and the change in feeding response?\",\"uncertainty_notes\":\"The timing and methods of the TAN measurements, the number of sampling points, and the pond-bottom condition are not specified. Reduced feeding can have causes not captured by these observations. Follow-up measurements of TAN, dissolved oxygen, pH, and temperature, together with feed-consumption records and an equipment check, are needed to clarify the relationships.\",\"causal_explanation\":\"The increase in TAN alongside uneaten feed is consistent with a greater nitrogen input and more organic material being broken down, although the observations do not establish that feed is the only source. Decomposition and waste processing can consume oxygen, which may contribute to a low predawn reading even with nighttime aeration. Reduced feeding may be a response to pond conditions, but it could also have other explanations; it should not be treated as proof that elevated TAN caused it. At pH 7.8, the measured TAN still needs to be interpreted with temperature and sampling conditions to assess ammonia risk.\",\"management_judgment\":\"Reassess the ration using feed-tray consumption and avoid feeding more than the shrimp are taking. Verify that aerators are operating effectively and measure dissolved oxygen before sunrise at multiple pond locations. Repeat TAN, pH, and temperature measurements, and inspect pond-bottom organic accumulation. Make any water-management changes cautiously and only after checking source-water quality and the pond's current conditions.\",\"accompanying_observations\":\"Lower feeding response occurred alongside the water-quality changes, but it is an observation rather than a confirmed consequence of TAN. Predawn dissolved oxygen of 4.0 mg\\\u002FL and pH 7.8 provide useful context but do not alone identify the cause of reduced feeding. The aeration schedule is also not evidence of actual oxygen conditions throughout the pond.\"}","MOBIUSI INC","https:\u002F\u002Fstatic.mobiusi.com\u002Fmobiwusi\u002F20250829\u002F7bf4ac62b4533e2b809998a6f1c5491e.png?Expires=1792463130&OSSAccessKeyId=LTAI5tH8MQqhgeiAtrzCHrxM&Signature=v6Tr8jBrdm4s5wU1SnnyGsYg%2Bhw%3D&x-oss-process=image%2Fresize%2Cm_fill%2Cw_35%2Ch_35",[676,682],{"type":677,"title":678,"count_data":679},"bar","Length distribution",[680],{"name":681,"value":483},"1k lower",{"type":683,"title":684,"count_data":685},"pie","Language distribution",[686],{"name":687,"value":483},"English"]