Basic Concept of Fisheries

Download PDF

100%

Try now

BASIC CONCEPT OF FISHERIES

At the end of this discussion, the students are expected to:

Recognize Fishery and its importance

Discuss the history of fishery

Distinguish the branches of fishery

Identify the morphology of the fish

Test One. Multiple Choice

One. A science that deals with the study of fishes is called a. Aquaculture b. Ichthyology c. Biology

Two. The human effort of raising the maximum productivity of fish and other fishery products to satisfy human needs is b. Fish Capture c. Fish Cultivation d. Fish Propagation

Three. When fishes are imported or introduced into the country they are classified as a. Endemic or Indigenous b. Native

Four. A fishpond which is used by students in school is intended for:

a. commercial or business b. recreational or enjoyment c. educational and cultural or scientific pursuit

Five. exists when the pond is overstocked and has lesser growth of natural food, a rivalry for food, space and oxygen.

a. Spawning b. Competition c. Fighting

Six. When is the event of evident regular eating of fresh water fish?

a. Forty-one thousand years ago b. Forty-two thousand years ago c. Thirty-seven thousand years ago d. Thirty-eight thousand years ago

Seven. Carved painting in the was supported the evidence that fishing was occurring in the early ages.

Eight. In what ancient country is famously known as the sea-side settlers and heavily dependent to fishing?

a. Egypt b. Macedonia c. Persia d. China

Nine. In ancient times, for a larger catch of fish, fishermen used a. Fish Net b. Small Net c. Gill Net d. Fin Net

Ten. Except primarily for food, fishing is used as activity.

a. Leisure b. Professional c. Physical d. Recreational

Eleven. It deals with the scientific method of catching fish.

a. Fish Catching b. Fish Capture c. Fish Harvesting d. Fish Hunting

Twelve. It deals with the scientific method of preserving fish and other aquatic products to prevent spoilage.

a. Fish Preservation b. Fish Conservation c. Fish Reservation d. Fish Protection

Thirteen. It is defined as natural or artificial method of promoting or enhancing reproduction and survival of fish and other aquatic products.

a. Fish Cultivation b. Fish Culture c. Fish Propagation d. Fish Reproduction

Fourteen. It is the rearing of fish and other aquatic products from very young stage like fry and fingerlings up to the marketable size.

a. Fish Cultivation b. Fish Culture c. Fish Propagation d. Fish Reproduction

What is Fishery?

Value of Fisheries

WITHOUT FISHERIES .......

FISHERY (FISHERIES)

Global Food Security and Nutrition

Economic and Social Impact

Environmental and Climate Relevance

Key Challenges

Aquatic Organisms

Plankton (Drifters)

Planktons

Nekton (Swimmers)

Benthos (Bottom-Dwellers)

Other Specialized Groups

FISH

Relevance of fish and other aquatic organisms to humans

Economic and Social Impact

Cultural and Scientific Importance

Human Nutrition and Health

Economic and Social Impact

Ecosystem Services

Cultural and Scientific Importance

Branches of Fishery

Fish Capture

Fish Culture

Three major phases of Fish Culture

Fish Cultivation

Extensive

Intensive

Semi-Intensive Fish Farming

Intensive Fish Farming

Fish Capture

Fish Preservation

Overview

This document discusses the basic concepts of fisheries, emphasizing its importance in food security, economic growth, and environmental health. It outlines various topics such as fish culture, capture methods, and the ecological role of aquatic organisms.

Key Points

1Fisheries play a crucial role in food security, providing a significant source of animal protein globally
2The sector supports approximately 800 million livelihoods worldwide
3Sustainable fisheries management contributes to ecosystem health and climate mitigation
4Fishing practices are categorized into various branches, including fish culture, capture, and preservation
5Overexploitation and climate change pose significant challenges to fisheries sustainability.

Details

Authors: WALTER L. PACUNANA, MSc.
Category: Environmental Studies

PDF
Land Cover Data Applications in Aerobiology
This document reviews the application of CORINE and similar land cover data in aerobiology, focusing on their role in assessing pollen distribution and vegetation structure, and highlights the significance of spatial heterogeneity in pollen dynamics.
PDF
A collaborative research agenda for restoring free-flowing rivers
This document presents a structured research agenda aimed at restoring free-flowing rivers in Europe, synthesizing insights from 45 countries to identify 27 research priorities. It addresses the complexity of river restoration, considering ecological, social, economic, and governance contexts in order to inform effective strategies by 2030.
PDF
Towards a continental-scale biodiversity monitoring network to assess climate-driven change in bat communities and inform European Union conservation policy
This article discusses the creation of a European-scale monitoring network designed to assess the impact of climate change on bat communities. It aims to provide decision-makers with robust data to inform conservation strategies across the continent.
PDF
New Leasing Languages - How Green Leasing Programs Can Help Overcome the Split Incentive
This document discusses the challenges posed by the split incentive in commercial leasing and presents green leasing as a viable solution to enhance energy efficiency in leased spaces. It highlights the significance of the Green Lease Leaders program in promoting sustainable leasing practices.
PDF
Green Leasing Program Design for PSU
This report outlines the design of a Green Leasing Program implemented by Portland State University to promote sustainability practices among its third-party tenants. It includes research on best practices for green leasing and recommendations for tenant engagement and incentive-based approaches.