ASTM E1199-24 PDF
Standard Practice for Sampling Zooplankton with a Clarke-Bumpus Plankton Sampler
Standard Practice for Sampling Zooplankton with a Clarke-Bumpus Plankton Sampler
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 апреля 2024 г.
- Издание:
- E1199
- ICS:
- 13.060.30
SIGNIFICANCE AND USE 5.1 The advantages of the Clarke-Bumpus plankton sampler are as follows: 5.1.1 It will sample a discrete depth or multiple depths, depending upon the sampling design. 5.1.2 It is a slow to medium speed sampler requiring a towing speed of three to five knots. 5.1.3 The sample size can be easily controlled. 5.1.4 The sampler is lightweight and can be used without auxiliary equipment. 5.1.5 It has a relatively high filtration efficiency factor of 0.88. 5.1.6 It is a versatile sampler and can be used in all but the shallowest waters. 5.1.7 The flowmeter records the amount of water that passes into the net. 5.1.8 Overspill of water at the mouth of the net due to excess speed of towing is of minimal consequence. 5.2 The disadvantages of the Clarke-Bumpus plankton sampler are as follows: 5.2.1 The flowmeter requires frequent maintenance including calibration and lubrication. 5.2.2 It is not suitable for use in very small areas or shallow waters. 5.3 There are several special considerations that shall be observed when using a Clarke-Bumpus plankton sampler. They are: 5.3.1 The flowmeter should be calibrated and serviced frequently to ensure efficient and accurate operation. 5.3.2 The sampler is relatively fragile, particularly the closing device and flowmeter. This necessitates careful deployment and recovery procedures. 5.3.3 Following each collection, the net must be thoroughly washed. 5.3.4 Special attention must be given to the strength of the cable and its attachment to avoid loss of the sampler. 5.3.5 The sampler should not be used in beds of macrophytes, in waters containing submerged objects, or close to the bottom. 5.3.6 The net should be inspected frequently for pin-size holes, tears, net deterioration, and other anomalies. 5.3.7 Following use, the wet net should be suspended full length in the air in subdued light and allowed to dry. SCOPE 1.1 This practice covers the procedures for obtaining quantitative samples of a zooplankton community by use of a Clarke-Bumpus plankton sampler. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Abstract
Overview
ASTM E1199-24 is the internationally recognized standard practice for sampling zooplankton using a Clarke-Bumpus plankton sampler. Developed by ASTM International, this standard provides robust and detailed guidance for quantitative sampling of zooplankton communities in aquatic environments. By using the Clarke-Bumpus sampler, researchers and professionals can achieve precise, reproducible results essential for water quality assessment, ecological studies, and environmental monitoring.
This standard outlines correct procedures, apparatus details, and best practices for effective sampling, ensuring consistency and reliability across field operations.
Key Topics
- Sampling at Discrete Depths: The Clarke-Bumpus sampler can be deployed at specific depths or across multiple layers, adapting to various research designs.
- Controlled Sample Size: Its slow to medium tow speed (three to five knots) and adjustable net allow precise control over volume and sample integrity.
- High Filtration Efficiency: The design achieves a filtration efficiency factor of 0.88, supporting comprehensive collection of zooplankton specimens.
- Versatility: Lightweight construction enables use without auxiliary equipment, except in very shallow waters or areas with dense vegetation and obstacles.
- Flowmeter Functionality: Integrated flowmeter measures the volume of water sampled, allowing for accurate quantitative analysis.
- Maintenance and Durability: Regular calibration, lubrication, and careful handling of the sampler and net are necessary for optimum performance and to prevent fragility-related issues.
Applications
ASTM E1199-24 is valuable across a broad range of applications in environmental science and water resource management:
- Water Quality Monitoring: Standardized zooplankton sampling supports assessment of aquatic ecosystem health and detection of environmental changes.
- Ecological Research: Enables collection of representative samples for studies on biodiversity, population biology, and food web dynamics in freshwater and marine systems.
- Regulatory Compliance: Assists agencies and consultants in meeting water quality regulations and reporting requirements.
- Academic and Educational Use: Provides educational institutions with proven methodology for student research and laboratory training in aquatic biology.
Proper use of the Clarke-Bumpus plankton sampler as described in ASTM E1199-24 is essential for obtaining valid, comparable data across surveys and long-term monitoring programs.
Related Standards
The following ASTM and related standards complement or are referenced by ASTM E1199-24:
- ASTM D1129: Terminology Relating to Water - Provides definitions for water-related terms used throughout the standard.
- ASTM E1200: Practice for Preserving Zooplankton Samples - Describes methods to preserve specimens collected during assessments.
- ASTM D4134 (Withdrawn): Practice for Sampling Phytoplankton with a Clarke-Bumpus Plankton Sampler.
Keywords: Clarke-Bumpus plankton sampler, zooplankton sampling, quantitative sampling, ASTM E1199, marine ecosystem monitoring, water quality assessment.
By following ASTM E1199-24, users can ensure standardized, precise, and reproducible sampling for critical aquatic studies, making it an essential resource in the fields of water management, environmental science, and aquatic biology.
Технические детали
- Технический комитет
- D19 - Water
- SKU
- ASTM E1199-24
Похожие стандарты
Другие стандарты ASTM
ASTM-TPT-47
Phase I & Phase II Environmental Site Assessment Processes
Phase I & Phase II Environmental Site Assessment Processes
ASTM-TPT-8
Phase I Environmental Site Assessment Practices For Commercial Real Estate: Phase I Site Assessment & Transac…
ASTM-TPT-1137
ASTM D975 Standard Specification for Diesel Fuel
ASTM D975 Standard Specification for Diesel Fuel
ASTM-TPT-1202
ASTM D8421 Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Ma…
ASTM D8421 Standard Test Method -- eLearning Course
ASTM-TPT-691
Microaprendizagem para D4057: Amostragem de ponto (PT)
D4057 Microlearning: Spot Sampling Portuguese
ASTM-TPT-1091
Metodo de prueba estandar D4052 de ASTM -- Curso de aprendizaje electrónico (ES)
Modulo eLearning para ASTM D4052 en espanol
ASTM ACEM20180086
Using Neutron Radiography to Quantify the Settlement of Fresh Concrete
Specifications have been implemented for concrete bridge decks in North America that restrict the use of higher slump concrete mixtures primarily because of concerns about differential settlement and…
ASTM ACEM20180041
Experimental Study of Competing Failure of Reinforced Concrete Based on the Weibull Distribution
To predict the failure lifetime of reinforced concrete, a current accelerating corrosion test was performed on concrete by simulating the environment in an area with saline soil. To study the concret…