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Observation of social organization, nesting and ecological interaction of termites in a semi-arid ecosystem

Title: Observation of social organization, nesting and ecological interaction of termites in a semi-arid ecosystem

Bachelor Thesis , 2015 , 55 Pages

Autor:in: Dancan Mwangi (Author)

Biology - Behaviour
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Summary Excerpt Details

Termites are eusosial organisms that have a profile of destructive and menacing organisms that serve an insignificant role in Earth’s ecology complex system. In the semi arid parts of Kenya, they are thought to be the primary cause of vegetation denudation especially during the dry seasons. Even after several years of Biology advancement its uncouth how most people have failed to appreciate the incredible role this animal perform in their niche for the benefit of humanity, especially in the inhospitable arid and infertile environments. Moisture shortage and the elevated temperatures characterize these regions, which has discouraged the survival of many decomposers in this environment leaving only a few species that have adapted to the conditions to survive, notably several species of termites. Water is life; this truth is not lost on these creatures. Some species of termites have evolved to such a level that they have the abilities to forage over unusual long distances and partially control their own dwelling environments, through the construction of nests structures in such a way that humidity and temperature does not vary all seasons. Termites create ingenious nests (mounds) from their waste materials and soils through tightly packing every particle together, creating waterproof corridors. For this reason, many have termed them as soil engineers. The termites’ ability to digest cellulose gives them advantage over other soil macro decomposers. This is enhanced by their mutualistic coexistence with certain bacteria in their gut that enables them to digest cellulose, which is the main constituent of their diet. Overall, Termites are most active soil macro inverts dominating the decomposition process in arid and semi arid environment during the dry seasons.

Excerpt


Table of Contents

Title

Dedication

Acknowledgement

Abstract

INTRODUCTION AND LITERATURE REVIEW

1.1.0 INTRODUCTION

1.1.1 Background

1.1.3 Objective of the study

1.1.4 Hypothesis

3.1 METHODOLOGY

3.1.2 Study site

3.1.5.2. Social organization system

3.1.5.3. Nesting

3.1.5.4. Feeding habits

3.1.5.5 Observing vegetation around the mound

3.2.1 Materials

CHAPTER THREE

RESULTS AND DISCUSSION

4.1 COMPOSITION OF TERMITE GROUPS

4.2 SOCIAL ORGANIZATION (workers and soldiers)

4.2.1. Reproductive’s (queen, king and alates (termite swarmers))

4.2.2. Workers

4.2.3. Soldiers

4.2.4. Diet

4.3. Termitogenic structures (Mounds and shelter tubes)

4.3.1. Shelter tubes

4.4. Mounds

4.4.1. Mound occurrence and shape

4.4.2. How the mound copes with temperature variation

4.3.4. Feeding and foraging

4.4.5. Vegetation cover around the mound

5.1.1. Decomposition and nutrient cycling

5.1.2. Habitat for other organisms and breeding site

6.0. Conclusion

7.0. Reference

Objectives and Topics

This study focuses on evaluating the eusociality, nesting habits, and ecological interactions of various termite groups within the semi-arid ecosystem of the Yatta Plateau in Kenya. The research aims to understand how termites function as ecosystem engineers and how their behavior influences local vegetation and nutrient cycling.

  • Social organization and caste differentiation within termite colonies
  • Nesting structures and architectural complexity of termite mounds
  • Foraging patterns and diet preferences in semi-arid environments
  • Ecological impacts on vegetation denudation and soil nutrient redistribution

Excerpt from the Book

4.2.3. Soldiers

Soldiers are not blind as alleged; they are sterile workers more specialized in the defense of the colony. Large head characterize them, large mandibles varying across the different species in shapes orientation and sizes; they use this adaptation to counteract the enemies. Soldiers are often suicidal and possess frontal projections used to eject defensive chemicals that entangle enemies (Momer, 2003). In case of a breach in a mound’s wall or a hole in a mud tube, most often many soldiers will rush outside to defend the aperture while workers concentrate on repairing the damage. Unfortunately, the guards are sealed off the nest in such a case and later die of starvation or desiccation due to their fragile nature and lack of pigmentation to protect them from the harmful UV light from the sun (Tarver et al., 2011; Momer, 2003).

Chapter Summaries

INTRODUCTION AND LITERATURE REVIEW: Provides an overview of termite biology, their ecological niche, and the justification for studying their interaction with the environment in the semi-arid regions of Kenya.

RESULTS AND DISCUSSION: Details the observational findings regarding the social structure, caste behavior, nesting strategies, and the specific ecological role termites play in nutrient cycling and habitat creation.

Conclusion: Summarizes that termites are primarily beneficial ecosystem contributors, despite their reputation as pests, and calls for more focused research on their ecological importance.

Keywords

Mound, Ecosystem, Biostructures, Organization, Semi arid, Eusociality, Termites, Macrotermes, Soil engineers, Nutrient cycling, Foraging, Caste system, Nesting, Kenya, Ecology

Frequently Asked Questions

What is the primary focus of this dissertation?

The dissertation observes the social organization, nesting behaviors, and ecological interactions of various termite groups in the semi-arid ecosystem of the Yatta Plateau, Kenya.

Which specific aspects of termite biology are investigated?

The study examines caste division (queens, kings, workers, soldiers), mound construction, diet, foraging habits, and how these insects affect local vegetation.

What is the main goal of this research?

The primary objective is to evaluate how different termite groups function within their ecological niches and to understand their impact on the surrounding environment, particularly regarding soil and plant health.

What methodology was employed to gather data?

The researcher conducted field observations using a maximum variation sampling technique, document analysis, and photographic evidence to study termite mounds and social interactions.

What does the main body of the work address?

The main body covers the composition of termite groups, social organization, termitogenic structures like mounds and shelter tubes, diet, and their broader role in decomposition and nutrient cycling.

Which keywords define this work?

Key terms include Mound, Ecosystem, Biostructures, Organization, Semi arid, Eusociality, and Soil engineers.

How do termites contribute to the semi-arid ecosystem?

Termites act as soil engineers by creating complex nests that redistribute nutrients, process organic detritus, and provide habitats for other organisms in harsh environments.

Why do termites build mounds in specific shapes and locations?

Mound architecture and placement appear to be adaptations to protect the colony from predators, manage temperature fluctuations, and facilitate water drainage during heavy rains.

What did the study reveal about termite association with plants?

The study observed that some termite mounds are intimately associated with specific tree species, such as Acacia, potentially for structural reinforcement or thermal regulation, though the exact nature of this relationship remains an area for future research.

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Details

Title
Observation of social organization, nesting and ecological interaction of termites in a semi-arid ecosystem
College
South Eastern Kenya University, Kitui Campus
Author
Dancan Mwangi (Author)
Publication Year
2015
Pages
55
Catalog Number
V294155
ISBN (eBook)
9783656921011
ISBN (Book)
9783656921028
Language
English
Tags
Mound Ecosystem Biostructures Organization Semi arid Eusociality
Product Safety
GRIN Publishing GmbH
Quote paper
Dancan Mwangi (Author), 2015, Observation of social organization, nesting and ecological interaction of termites in a semi-arid ecosystem, Munich, GRIN Verlag, https://www.grin.com/document/294155
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