Impactos da perda de habitat na montagem de comunidades DOI Creative Commons
Júlia Barreto

Published: Nov. 28, 2023

Although the loss of native habitat is primary cause biodiversity change worldwide, understanding biodiversity's response to requires considering influence introduced anthropogenic habitats in modified landscapes.My thesis examined how and gain affected patterns, using Scarabaeinae beetles (aka dung beetles) as a study system.I analyzed various dimensions reduction tropical forest paired along gradient Brazilian Atlantic Forest.In first chapter, I observed changes beetle diversity this gradient.Deforestation was associated with patterns biotic differentiation, increases alpha gamma richness, "positive" responses that can be partly understood light history Forest proximity taxa sources open areas.In second explored composition structure communities one type may related those adjacent types.The interaction between gradients environmental influences community cover reduction.Findings reveal complex interplay factors shaping within habitats.Landscape structure, species associations, conversion significantly impacted composition, owing combined spillover, invasion, extinction.Landscape configuration, such increased edges pasture, turnover, underscoring importance managing areas preserve landscape biodiversity.This research brings crucial contributions influence, transcending prevalent geographical taxonomic biases.These findings guide strategies for conservation restoration landscapes, essential fundamental ecological processes.

Language: Английский

Habitat loss reduces abundance and body size of forest-dwelling dung beetles in an Amazonian urban landscape DOI Creative Commons

Glenda Vanessa dos Santos Bernardino,

Vanessa Pontes Mesquita,

Paulo Estefano Dineli Bobrowiec

et al.

Urban Ecosystems, Journal Year: 2024, Volume and Issue: 27(4), P. 1175 - 1190

Published: Feb. 12, 2024

Abstract The loss of forest cover in urban landscapes alters the dynamics spatial and food resources, challenging maintenance species, which may have their condition compromised. Dung beetles are sensitive to changes vegetation structure land use caused by human activities, processes that intrinsically related establishment development cities. aim this study was evaluate effect landscape on abundance morphological characteristics two species dung beetle ( Dichotomius boreus quadrilobatus ) inhabit forested areas urbanized Amazon region. We carried out 38 located six regions central region Amazon. evaluated structure, at site city scales, abundance, individual body size, relative horn length males. At local scale, with greater showed beetles, as well lengths D. horns. Cities a amount had larger individuals than those less cover. conclude key habitat for populations strong relationship between landscape. healthy abundant Amazonian guarantees persistence ecosystem services provided these organisms ecosystems.

Language: Английский

Citations

6
Dung removal increases under higher dung beetle functional diversity regardless of grazing intensification DOI Creative Commons
Jorge Ari Noriega, Joaquín Hortal, Indradatta deCastro‐Arrazola

et al.

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Dec. 6, 2023

Abstract Dung removal by macrofauna such as dung beetles is an important process for nutrient cycling in pasturelands. Intensification of farming practices generally reduces species and functional diversity terrestrial invertebrates, which may negatively affect ecosystem services. Here, we investigate the effects cattle-grazing intensification on field experiments replicated 38 pastures around world. Within each study site, measured managed with low- high-intensity regimes to assess between-regime differences beetle removal, whilst also considering climate regional variations. The impacts were heterogeneous, either diminishing or increasing richness, diversity, rates. more variable across sites than within sites. increased richness sites, while consistently enhanced independently cattle grazing intensity climate. Our findings indicate that, despite intensified stocking rates, services related decomposition can be maintained when a functionally diverse community inhabits human-modified landscape.

Language: Английский

Citations

13
How Does Landscape Structure Affect Dung Beetle Assemblages in Amazon Cities? DOI Creative Commons

Vanessa Pontes Mesquita,

Glenda Vanessa dos Santos Bernardino,

Paulo Estefano Dineli Bobrowiec

et al.

Ecology and Evolution, Journal Year: 2025, Volume and Issue: 15(1)

Published: Jan. 1, 2025

ABSTRACT The growth of cities is one the main direct and indirect factors responsible for loss native vegetation cover. Urbanization directly affects biological communities inhabiting forest remnants inserted in cities, compromising maintenance urban natural ecosystems. By understanding effects landscape transformation due to urbanization, we can have insights regarding distribution land uses that allow a proper This work assessed structure variables (forest cover, agricultural area, edge density, number patches) on dung beetle assemblages functional groups (i.e., diet resource removal strategy) sampled 38 sites located along an urban–rural gradient six belonging metropolitan area Manaus Central Amazonia. Losses cover were most determining factor, negatively affecting species richness, abundance, body size. increases agriculture affected while density positively their abundance. patches abundances—except dweller species—and size diet‐generalist species. These results demonstrate changes ecological diversity caused by urbanization are driven mostly loss, although configuration important study contributes how amount tropical affect taxonomic assemblages.

Language: Английский

Citations

0
An Afromontane biome in South Africa: Ecological quality of natural vs transformed habitats DOI
Astrid Jankielsohn, Gimo M. Daniel

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 155 - 163

Published: Jan. 1, 2025

Language: Английский

Citations

0
Dung removal by dung beetles in tropical livestock-dominated landscapes: Role of livestock grazing abandonment, local environment, and community attributes DOI
César M. A. Correa, Lívia D. Audino, Fernando Zagury Vaz‐de‐Mello

et al.

Applied Soil Ecology, Journal Year: 2024, Volume and Issue: 200, P. 105443 - 105443

Published: May 14, 2024

Language: Английский

Citations

3
Plant species richness and phylogenetic diversity can favor the recovery of dung beetle communities in ecological restoration plots DOI Creative Commons
Lina Adonay Urrea‐Galeano, Rocío Santos‐Gally, José D. Rivera‐Duarte

et al.

Oecologia, Journal Year: 2025, Volume and Issue: 207(2)

Published: Feb. 1, 2025

Plant communities with higher species richness and phylogenetic diversity can increase the of herbivores their enemies through trophic interactions. However, whether these two features plant have same positive influence on other guilds non-trophic mechanisms requires further exploration. Dung beetles represent an ideal system for testing such impacts, as they do not a specialized interaction plants are sensitive to changes in vegetation structure associated microclimate. We used dataset dung collected from forest sites, restoration plots, cattle pastures (a) determine within plots total biomass taxonomic, functional, beetles; (b) if establishment allows recover abundance beetle communities, relative what is found livestock pastures. In Scarabaeinae biomass, functional originality, were positively related number species, but only all diversity. Finally, allowed threefold discuss how high favor recovery by potentially creating more niche opportunities.

Language: Английский

Citations

0
Dung beetle communities change quickly following tropical forest restoration: A case study from southern Costa Rica DOI

Carolina M. Pinto,

Benjamin Camper, Eleanor Flatt

et al.

Forest Ecology and Management, Journal Year: 2025, Volume and Issue: 587, P. 122749 - 122749

Published: April 28, 2025

Language: Английский

Citations

0
Ecosystem functions and functional traits for the study of phytophagous scarab beetles (Coleoptera: Scarabaeidae) DOI Open Access
Sandy García‐Atencia, María Argenis Bonilla, Claudia E. Moreno

et al.

Ecological Entomology, Journal Year: 2024, Volume and Issue: 49(4), P. 463 - 475

Published: March 28, 2024

Abstract Owing to the rapid and ongoing anthropogenic changes impacting ecosystem functions their interplay with biodiversity, there is a growing focus on assessing insect functional diversity. This emphasis helps unravel key roles of insects processes identify assembly mechanisms that regulate species coexistence. The ecological phytophagous scarab beetles (Scarabaeidae) have been relatively unexplored, potential traits are scattered throughout literature. Species within this group exhibit diverse lifestyles, forms sizes. They exploit various resources such as decomposing wood, foliage, roots flowers, small subset identified predators. Although many representatives significant agricultural pests, information contributions in natural ecosystems has not consolidated. study reviews potentially carried out by proposes be incorporated into studies Through this, goal integrate information, stimulate generation questions go beyond classical theory contribute advancing our knowledge functions, well foundations for understanding community structure. We propose use trophic groups define bioturbation, organic matter decomposition, biological control pollination. A simplified list was obtained conducting correlation analyses using trait matrix from region northern Colombia. represents advance framework ecology, applicable territorial planning biodiversity conservation.

Language: Английский

Citations

3
Temporal changes of taxonomic and functional diversity in dung beetles inhabiting forest fragments and pastures in Los Tuxtlas Biosphere Reserve, Mexico DOI Creative Commons
Pedro Giovâni da Silva, Renato Portela Salomão, Daniel González‐Tokman

et al.

Revista Mexicana de Biodiversidad, Journal Year: 2023, Volume and Issue: 94, P. e945059 - e945059

Published: June 20, 2023

We evaluated short- (among months within-years) and long-term (between 1999-2000 2016-2017) temporal patterns of taxonomic functional β- diversity (and its components substitution gain/loss) dung beetle assemblages in forest fragments pastures the Los Tuxtlas Biosphere Reserve (LTBR). Habitat type affected dissimilarity richness difference component, with average values being respectively 1.42 1.56 times higher than fragments. Only habitat was important for richness, 1.93 1.69 2016-2017, respectively. Pastures were taxonomically functionally poorer but also more temporally dynamic both within-year between-years. is a determining factor dynamics, presenting stable cattle pastures.

Language: Английский

Citations

6
How does the subtropical landscape configuration influence the ecomorphological traits and community composition of ground-dwelling beetles in southern Brazil? DOI Open Access
Pâmela Niederauer Pompéo, Luís Carlos Iuñes de Oliveira Filho, Douglas Alexandre

et al.

Applied Soil Ecology, Journal Year: 2023, Volume and Issue: 189, P. 104949 - 104949

Published: May 22, 2023

Language: Английский

Citations

5