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The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities

Published online by Cambridge University Press:  26 May 2026

Md. Monirul Islam*
Affiliation:
Economics, Jatiya Kabi Kazi Nazrul Islam University , Bangladesh
Nafiul Muid
Affiliation:
Islamic University , Bangladesh
Rajiv Acherjee
Affiliation:
Department of Social Services (DSS) , Bangladesh
Anika Tasnim
Affiliation:
Khulna University , Bangladesh
Mezabahnur Masum
Affiliation:
Independent Researcher
*
Corresponding author: Md. Monirul Islam; Email: monirul619@gmail.com
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Abstract

Content of image described in text.

This study explores the psychosocial consequences of recurrent environmental displacement among river-nomadic (Bede) communities in Bangladesh, emphasizing how cyclical mobility, ecological degradation, and social marginalization shape mental health and resilience. A qualitative phenomenological approach was adopted, analyzing twelve in-depth interviews and one focus group discussion from three Jamuna River settlements (2025 monsoon season) via NVivo 14. We identified six themes: income-driven relocation, environmental hazards as triggers, cumulative physical and emotional tolls, negotiation/reputation as safety mechanisms, culturally rooted coping, and aspirations for stability. Participants described chronic uncertainty alongside strong communal solidarity and faith-based coping. Findings highlight that displacement among river nomads is a continuous, multifaceted psychosocial exposure rather than an isolated event. Sustainable interventions should integrate mobile, community-based mental health and psychosocial support (MHPSS) services with environmentally informed livelihood programs and inclusive governance. This research contributes empirical evidence to the discourse on climate-related migration, emphasizing the need for culturally grounded, mobility-sensitive approaches for marginalized riverine populations.

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Research Article
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Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
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© The Author(s), 2026. Published by Cambridge University Press
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Table 1. Demographic characteristics of interview participantsTable 1. long description.

Figure 1

Table 2. Demographic characteristics of FGD respondentsTable 2. long description.

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Table 3. Summary of key findingsTable 3. long description.

Author comment: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R0/PR1

Comments

No accompanying comment.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R0/PR2

Conflict of interest statement

Reviewer declares none.

Comments

This manuscript offers a compelling and original qualitative examination of the psychosocial consequences of recurrent environmental displacement among river-nomadic (Bede) communities in Bangladesh. The study addresses a critical gap in global mental health and climate migration scholarship by focusing on a highly marginalized and understudied population whose mobility is shaped by ecological change and structural exclusion.

The phenomenological research design is well aligned with the study objectives, and the use of in-depth interviews and a focus group discussion provides rich and nuanced empirical material. Data collection during the monsoon season strengthens the contextual validity of the findings, and the application of Braun and Clarke’s thematic analysis framework is methodologically sound and transparently executed. The six themes identified are coherent, analytically robust, and well supported by participant narratives.

A key strength of the manuscript is its conceptual framing of displacement as a continuous psychosocial exposure rather than a single event. The balanced discussion of distress and resilience, including faith-based coping, communal solidarity, and adaptive strategies, adds significant depth to existing literature on climate-induced displacement and mental health. The conclusions are well grounded in the findings and offer clear, actionable implications for mobile, culturally sensitive mental health and psychosocial support interventions.

The manuscript is clearly written, theoretically informed, and makes a strong contribution to the field. It aligns well with the scope and aims of Cambridge Prisms: Global Mental Health. I recommend this paper for acceptance, as it meets high scholarly standards and offers valuable insights for researchers, practitioners, and policymakers.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R0/PR3

Conflict of interest statement

NA

Comments

Thank you for the opportunity to review this paper on the impact of climate change–related displacement on mental health among affected individuals in Bangladesh. I believe this is a timely and important topic, given the increasing physical and mental health risks associated with climate change. This paper reports qualitative findings from in-depth interviews and focus group discussions analysed using a phenomenological approach.

Introduction

1. The introduction is well written, with a clear and logical sequence of arguments that leads to the main objectives of the study. My only suggestion is to consider whether there are existing studies reporting the prevalence of mental health problems among river-nomadic communities in Bangladesh or comparable settings. While the authors note that prior research has largely been quantitative, some of these studies may include estimates of mental health burden that could strengthen the rationale for the current study by highlighting the urgency of understanding lived experiences of forced migration.

Methods

I applaud the researchers for clearly describing their recruitment process and the care taken during recruitment.

1. Given the constructivist nature of the analysis, the authors should elaborate on their positionality and reflexivity.

2. Who collected the data?

3. What was the rationale for using focus group discussions rather than in-depth interviews?

4. Who conducted the data analysis, and how did the authors ensure iteration and reflexivity throughout the analytic process?

5. Over the years, Braun and Clarke’s thematic analysis has often been treated as a single, unified method without clearly articulating its underlying epistemological and methodological assumptions. I strongly recommend that the authors report their thematic analysis process in line with recent guidance by Braun and Clarke (Braun, V., & Clarke, V. (2023). Toward good practice in thematic analysis: Avoiding common problems and be (com) ing a knowing researcher. International journal of transgender health, 24(1), 1-6.)). I also suggest that the authors clearly specify which approach to thematic analysis they adopted (e.g., coding reliability, codebook, or reflexive thematic analysis), following Braun, V., & Clarke, V. (2021). One size fits all? What counts as quality practice in (reflexive) thematic analysis?. Qualitative research in psychology, 18(3), 328-352

Findings

1. I suggest revising the sentence “Thematic analysis identified…” to “We identified six interconnected themes.”

2. In addition, different participant quotes should be used under different themes. Currently, the following quote is repeated:

“If people remember us from before and we helped them, they welcome us again; it helps us earn safely and consistently.”

3. It is unclear how the theme of fatigue and anxiety is distinct from physical strain, mental health distress, and resilience strategies, which is a very broad theme. Similar quotes appear under both themes. It may be worth considering merging fatigue and anxiety into the latter theme and potentially separating physical and mental health sequelae.

4. I appreciate how succinctly the authors summarise their main findings; however, the table presenting these findings should be included in the Results section rather than the Discussion.

Discussion

1. Compared to other sections of the manuscript, the Discussion is relatively narrow. As a reader, I would like to see more emphasis on how these findings extend or advance the existing literature, rather than primarily reiterating what has already been reported in previous studies.

2. The practice and policy implications are also limited. In particular, the paragraph on Page 15 (Lines 11–16) does not follow logically. It is unclear how participants’ expressed desire for modest and predictable support aligns with the recommendations around task-sharing and community-based interventions.

Finally, the expressed desire for modest, predictable supports (e.g., secure plots, livelihood facilitation, access to medicine, and schooling) aligns well with recommendations for culturally adapted, mobility-sensitive mental health and psychosocial support (MHPSS) in low- and middle-income countries. These approaches favour community-based delivery, task-sharing, and integration with social protection systems where clinic-based models are inaccessible to mobile populations (Sheath et al., 2020; Haque et al., 2022; Hayes et al., 2018).

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R0/PR4

Conflict of interest statement

n/a

Comments

Review comments: GMH-2025-0410

ABSTRACT

Page-2; line 36: The authors mention themes “emerged.” I encourage the authors to edit terminology (“emerged”), in the abstract and in the methods, to something more aligned with what Braun and Clarke’s reflexive thematic analysis (TA) method claims, that is, that themes do not emerge from the data, but rather are constructed by researchers using the reflexive TA 6 step process. This Editorial from Qualitative Social Work (cited below) summarizes the methodological progression of Braun and Clarke’s stance of themes being constructed rather than emerging, and contains the citations to original articles/books by Braun and Clarke on this common misappropriation of reflexive TA. Please see excerpt from the editorial referenced below.

“The change reflects Braun and Clarke’s approach to thematic analysis, making clear that themes do not emerge from the data, a sentence we often see in articles submitted to our journal. Instead, the researcher actively constructs each of the themes through their engagement with the material.”

Morriss, L. (2024). Themes do not emerge. An editor’s reflections on the use of Braun and Clarke’s thematic analysis. Qualitative Social Work, 23(5), 745-749. https://doi.org/10.1177/14733250241277355 (Original work published 2024)

INTRODUCTION

Page-4, line8: multisectoral – perhaps “multidimensional” is better suited?

Page-5, lines 19-20: idioms of distress – Recommend citing Nichter 1981 or subsequent works here.

Page-5, line 33: explanatory model – Recommend citing Kleinman’s “patients and healers in the context of culture” here.

METHODS

I request the authors to complete and submit the COREQ statement for the study as a supplemental file, and make the COREQ specific necessary changes to the manuscript.

Specifically, could you provide more detail about your codes and codebook?

Page-7, line 26: sample size – I feel your sample size is more than sufficient for the study design, and justified well. You can consider citing Guest et al 2006, which endorse saturation at 12 qualitative interviews, as evidence-driven methodological support for your sample; or Materud et al. 2016, for a more conceptually driven justification for the sample size. This is at your discretion; please only add if helpful.

Guest, G., Bunce, A., & Johnson, L. (2006). How Many Interviews Are Enough?: An Experiment with Data Saturation and Variability. Field Methods, 18(1), 59-82. https://doi.org/10.1177/1525822X05279903 (Original work published 2006)

Malterud, K., Siersma, V. D., & Guassora, A. D. (2016). Sample Size in Qualitative Interview Studies: Guided by Information Power. Qualitative health research, 26(13), 1753–1760. https://doi.org/10.1177/1049732315617444

RESULTS:

Most of the results are well-constructed. I do, however, find that the descriptions and experiences of mental health, stress, psychological distress, etc. to be superficial and rushed. Could more detail (quotes, perhaps in a Table, if word limit is a concern) and description be added? Did you identify idioms of distress and explanatory models (Kleinman’s categories include: label/name; pathophysiology or symptoms; severity; fears, treatment beliefs/attitudes), as the Introduction/Methods sets up the reader to expect these in the Results – could those be reported on with more detail?

These issues resurface in the DISCUSSION:

On page-14, line 30, it is claimed the study findings align w/ research that finds elevated symptoms of depression and anxiety – however the shallow presentation of psychopathology in the results make this claim weak.

Additionally, on page-14, line45-46 there is a claim that the current study’s findings (in narratives “discussing shifting river courses and disappearing aquatic livelihoods”) are supportive of literature on anticipatory anxiety, and grief linked to ecosystem loss – this is not supported well by the data presented in the results. Please either include this data or consider removing this claim.

Page-15, line 10-16 - I am struggling to see how “the expressed desire for modest, predictable supports (secure plots, livelihood facilitation, medicine, schooling)” align with or can inform MHPSS cultural adaptation or delivery, as you state – those are structural interventions and not MHPSS interventions. I think more critical engagement needs to happen here to demonstrate how the study findings connect with MHPSS adaptation and delivery, especially as that is one of your explicitly stated study objectives (page-6, line 23-24). You can consider the following articles in shaping this narrative:

Heim, E., & Kohrt, B. A. (2019). Cultural Adaptation of Scalable Psychological Interventions: A New Conceptual Framework. Clinical Psychology in Europe, 1(4), Article e2555. https://doi.org/10.32872/cpe.v1i4.37679

Sangraula, M., Kohrt, B. A., Ghimire, R., Shrestha, P., Luitel, N. P., Van’t Hof, E., Dawson, K., & Jordans, M. J. D. (2021). Development of the mental health cultural adaptation and contextualization for implementation (mhCACI) procedure: a systematic framework to prepare evidence-based psychological interventions for scaling. Global mental health (Cambridge, England), 8, e6. https://doi.org/10.1017/gmh.2021.5

Heim, E., & Weise, C. (2021). Special Issue Editorial: Cultural Adaption of Psychological Interventions. Clinical psychology in Europe, 3(Spec Issue), e7627. https://doi.org/10.32872/cpe.7627

Recommendation: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R0/PR5

Comments

Please revise and address the points raised by the reviewers.

Decision: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R0/PR6

Comments

No accompanying comment.

Author comment: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R1/PR7

Comments

No accompanying comment.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R1/PR8

Conflict of interest statement

Reviewer declares none.

Comments

I thank the reviewers for their engagement with the review comments and the changes made to the manuscript. I think the manuscript is significantly strengthened as a result.

Two quick points:

1. just pointing out one discrepancy - in the first page of the proof shared for peer review of the revised manuscript (likely drawing from the metadata submitted to the journal’s forms), the “themes emerged” language is still present although I see authors have revised this in the body.

2. The MHPSS paragraph is missing in both track changes and clean manuscripts - pls check: Change made: Discussion MHPSS paragraph fully rewritten using Heim & Kohrt (2019), Sangraula et al. (2021), and Heim & Weise (2021). Structural supports distinguished from MHPSS interventions. All three references added to reference list.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R1/PR9

Conflict of interest statement

Reviewer declares none.

Comments

Thank you for the opportunity to review your revised manuscript. This is a compelling qualitative study that sheds light on an under-researched population—the Bede river nomads—and the complex psychosocial toll of recurrent environmental displacement.

The phenomenological approach is appropriate, and the six themes you constructed are well supported by rich participant accounts. The integration of NVivo 14 with Braun and Clarke’s reflexive thematic analysis is clearly described. I particularly appreciate how you highlight both chronic distress and the community’s culturally rooted resilience, offering a balanced perspective.

The revisions have strengthened the clarity of your methods and the practical implications for mobile MHPSS services. I have no further concerns and recommend acceptance. This work makes a valuable contribution to the growing literature on climate-related migration and mental health.

Well done.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R1/PR10

Conflict of interest statement

Reviewer declares none.

Comments

The authors have addressed most of my comments. There is still one that I don’t think the authors fully engaged with. Themes 3 and 5 are still very much the same. Their opening sentence is even the same, but paraphrased differently. The content is the same except for the resilience strategies mentioned in Theme 5. I strongly recommend that the authors revise these two themes and combine the physical and emotional toll/stress into one theme, and copign/resilience strategies into another.

Recommendation: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R1/PR11

Comments

Pl address the remaining minor comments and resubmit.

Decision: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R1/PR12

Comments

No accompanying comment.

Author comment: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R2/PR13

Comments

No accompanying comment.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R2/PR14

Conflict of interest statement

Reviewer declares none.

Comments

n/a

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R2/PR15

Conflict of interest statement

Reviewer declares none.

Comments

This study provides a vital and deeply empathetic exploration of the mental health challenges facing the river-nomadic Bede communities in Bangladesh. By reframing displacement as a continuous, cyclical exposure rather than a single event, the authors offer a sophisticated understanding of how environmental hazards, economic precarity, and social marginalization intersect to create chronic psychological distress. The research is particularly commendable for its methodological authenticity, capturing real-time narratives during the monsoon season and highlighting the community’s own “culturally rooted” resilience strategies. These insights offer a crucial roadmap for moving away from rigid, clinic-based models toward mobile, community-based support systems. Overall, this is a high-quality, rigorous piece of qualitative scholarship that significantly advances the discourse on climate-related migration and global mental health.

Review: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R2/PR16

Conflict of interest statement

Reviewer declares none.

Comments

No further comments. Congratulations to the authors!

Recommendation: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R2/PR17

Comments

No accompanying comment.

Decision: The consequences of migration and displacement for mental health: A qualitative study of river nomadic communities — R2/PR18

Comments

No accompanying comment.