eChapters

36.1 Introduction

Migration refers to the long-distance movement of fish from one location to another in search of food or breeding. It involves a temporary or permanent absence from one’s home range and the establishment of a residence in another. It is one of the most remarkable and fascinating characteristics of fish. It is the mass movement of fish from one body of water to another. It entails longer-duration movements of schools of fish than those seen during normal daily activities.

38.1 Introduction

To fishery management, understanding the abundance of a given species population is critical to the success of that species’ fishery. In this context, a fish population is a naturally occurring stock of a race of fish that occupy a specific area of space and act as a biological unit. The density of the fish population, on the other hand, is the population size per unit of space.

39.1 Introduction

Like all other animals, fish are also subjected to certain diseases. This is one of the most important problems confronting a fish culturist. Diseases at times may take the form of epidemics. The occurrence and magnitude of infections and diseases are closely related to the sanitary conditions prevalent in the water and also the general health of the fish.

40.1 Introduction

India has an 8,118-kilometer-long coastline that stretches through nine Maritime States (Gujarat, Tamil Nadu, Kerala, West Bengal, Maharashtra, Odisha, Andhra Pradesh, Karnataka, and Goa) and four Union Territories (Daman and Diu, Puducherry, Lakshadweep Islands, and Andaman and Nicobar Islands). The country also has a Continental Shelf of 0.53 million km2 and an Exclusive Economic Zone (EEZ) of 2.02 million km2. The EEZ’s annual potential yield is estimated to be 3.93 million tonnes of fish.

41.1 Introduction

Fishes adapted to live at a temperature ranging from 10-200C constitute coldwater f ish. Upland water at high altitudes in the mountains and spring water at low elevations in temperate regions remain cooler than the rest, allowing coldwater f isheries to thrive in these areas. Such bodies of water, which include several hill streams, pools, lakes and reservoirs, are abundant in the Himalayan and Deccan plateau regions of peninsular India. These are fed by either melting snow or springs in the north or rain on the Deccan plateau.

43.1 Introduction

Game fish (also known as sport fish or quarry) are freshwater or saltwater fish that are pursued by recreational anglers or fished with a rod and line from clear running water (Hora 1943). Some game fish (such as salmon and tuna) are commercially targeted. In other words, game fish are fish caught for sport or subsistence. Trophy f ish are game fish that are larger and heavier than the average for the species.

44.1 Introduction

Ornamental fish are a diverse and colourful species benefiting millions of aquarium enthusiasts. The term "ornamental fish" was first coined in the early 19th century to describe fish kept solely for decorative purposes by ancient civilizations such as the Sumerians and Egyptians.

They are known for their shapes, sizes, vibrant colours, intricate patterns and distinct behaviours with hobbyists and collectors. They are widely used to distinguish between fish kept for food or other practical purposes.

Introduction

What is community development?

Community development refers to the process of bringing community people together after identifying issues related to them and taking a collective action. Community development empowers residents and builds stronger, more integrated communities. Community development is an all-encompassing approach based on the ideas of empowerment, human rights, inclusiveness, social justice, self-determination, and collective action (Kenny, 2007).

Introduction

To accomplish the objectives of the organisation, the administration often performs a standard set of tasks. Administration is the direction, leadership, and supervision of a group’s actions toward certain common objectives (Newman, 1950). It suggests sincere efforts made to plan and manage human activities in order to accomplish set or desired goals. Organising, leading, and controlling people and resources to achieve predetermined goals.

Meaning and Definitions

Agricultural journalism refers to the specialized field of journalism focused on reporting, analyzing, and disseminating information related to agriculture, farming, rural development, and related topics. It plays a crucial role in educating and informing the public, policymakers, and stakeholders about the agricultural sector, its challenges, innovations, and contributions to society.

Here are a few definitions of agricultural journalism.

12.1 Introduction

It is important to note that growing crops in a greenhouse requires a significant f inancial and administrative commitment. In order to ensure profitability, firms need to consider both cash flow and profitability. An enterprise budget can help address profitability potential by itemizing costs incurred across a typical production cycle. On the other hand, a cash flow budget is used to analyze the cash inflows and outflows of the enterprise over a fixed period of time.

Evaluation Theory vs Practice

Theory based evaluation is an approach to evaluation (i.e., a conceptual analytical model) and not a specific method or technique. It is a way of structuring and undertaking analysis in an evaluation. A theory of change explains how an intervention is expected to produce its results

What are Evaluation Theories?

Identify and Describe Program You Want to Evaluate

The first step in conducting a program evaluation is to clarify why we are doing it, what we want to achieve, and what we will focus on. This will help us to define the evaluation questions, criteria, indicators and methods that will guide our data collection and analysis.

What is Program Evaluation?

Evaluating the Evaluation

To present clarity, representation of components of program, stake holders, senility, needs of target group, sample, data, technical adequacy, data collection methods cost, recommendation the steps have been described below as per syllabus contents prescribed by ICAR.

Evaluating the Evaluation

Network in Project Management

A project network is a graph that shows the activities, duration, and inter dependencies of tasks within our project.

Networking is a crucial aspect of project management that can provide various benefits, including access to new job opportunities, industry insights, and professional development opportunities.

What is network with diagram?

A Brief History of Project Management.

Impact Assessment Approach-Quantitative, Qualitative Participatory and Mixed Methods with Their Advantages and Disadvantages

Quantitative research approach

 Qualitative research approach

 Participatory research approach

Mixed method research approach

Advantages of Quantitative Research

SWOT Analysis-Concept

Concept of SWOT

The concept of SWOT surfaced in 1960 as, management tool indicating four dimensions of strength, weakness, opportunity and threat and is widely used in business organizations. It’s use is very common in judging the prospectus of any organization particularly rural projects. It’s four attributes have wider applicability to decide whether to move ahead or not.

Origin of SWOT