The global biogeography of lizard functional groups
Vidan, Enav1; Novosolov, Maria1; Bauer, Aaron M.2; Herrera, Fernando Castro3; Chirio, Laurent4; de Campos Nogueira, Cristiano5; Doan, Tiffany M.6; Lewin, Amir1; Meirte, Danny7; Nagy, Zoltan T.8; Pincheira-Donoso, Daniel9; Tallowin, Oliver J. S.10; Torres Carvajal, Omar11; Uetz, Peter12; Wagner, Philipp2,13; Wang, Yuezhao14; Belmaker, Jonathan1,15; Meiri, Shai1,15
Corresponding AuthorVidan, Enav(
AbstractAim Understanding the mechanisms determining species richness is a primary goal of biogeography. Richness patterns of sub-groups within a taxon are usually assumed to be driven by similar processes. However, if richness of distinct ecological strategies respond differently to the same processes, inferences made for an entire taxon may be misleading. We deconstruct the global lizard assemblage into functional groups and examine the congruence among richness patterns between them. We further examine the species richness - functional richness relationship to elucidate the way functional diversity contributes to the overall species richness patterns. Location Global. Methods Using comprehensive biological trait databases we classified the global lizard assemblage into ecological strategies based on body size, diet, activity times and microhabitat preferences, using Archetypal Analysis. We then examined spatial gradients in the richness of each strategy at the one-degree grid cell, biome, and realm scales. Results We found that lizards can best be characterized by seven "ecological strategies": scansorial, terrestrial, nocturnal, herbivorous, fossorial, large, and semi-aquatic. There are large differences among the global richness patterns of these strategies. While the major richness hotspot for lizards in general is in Australia, several strategies exhibit highest richness in the Amazon Basin. Importantly, the global maximum in lizard species richness is achieved at intermediate values of functional diversity and increasing functional diversity further result in a slow decline of species richness. Main conclusions The deconstruction of the global lizard assemblage along multiple ecological axes offers a new way to conceive lizard diversity patterns. It suggests that local lizard richness mostly increases when species belonging to particular ecological strategies become hyper-diverse there, and not because more ecological types are present in the most species rich localities. Thus maximum richness and maximum ecological diversity do not overlap. These results shed light on the global richness pattern of lizards, and highlight previously unidentified spatial patterns in understudied functional groups.
KeywordArchetypal Analysis functional groups functional richness lizards species richness
Indexed BySCI
Funding ProjectIsrael Science Foundation[1005/12] ; Israel Science Foundation[1356/15] ; SENESCYT
WOS Research AreaEnvironmental Sciences & Ecology ; Physical Geography
WOS SubjectEcology ; Geography, Physical
WOS IDWOS:000477357400001
Funding OrganizationIsrael Science Foundation ; SENESCYT
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Document Type期刊论文
Corresponding AuthorVidan, Enav
Affiliation1.Tel Aviv Univ, Sch Zool, Tel Aviv, Israel
2.Villanova Univ, Dept Biol, Villanova, PA 19085 USA
3.Univ Valle, Physiol Sci Dept, Sch Basic Sci, Cali, Colombia
4.14 Rue Roses, F-06130 Grasse, France
5.Univ Sao Paulo, Inst Biociencias, Dept Ecol, Sao Paulo, Brazil
6.New Coll Florida, Div Nat Sci, Sarasota, FL USA
7.Royal Museum Cent Africa, Tervuren, Belgium
8.Royal Belgian Inst Nat Sci, Joint Expt Mol Unit, Brussels, Belgium
9.Queens Univ Belfast, Sch Biol Sci, 19 Chlorine Gardens, Belfast BT9 5DL, Antrim, North Ireland
10.UNEP World Conservat Monitorin Ctr, 219 Huntingdon Rd, Cambridge, England
11.Pontificia Univ Catolica Ecuador, Museo Zool, Escuela Ciencias Biol, Quito, Ecuador
12.Virginia Commonwealth Univ, Ctr Study Biol Complex, Richmond, VA USA
13.Allwetterzoo, Munster, Germany
14.Chinese Acad Sci, Chengdu Inst Biol, Chengdu, Sichuan, Peoples R China
15.Tel Aviv Univ, Steinhardt Museum Nat Hist, Tel Aviv, Israel
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GB/T 7714
Vidan, Enav,Novosolov, Maria,Bauer, Aaron M.,et al. The global biogeography of lizard functional groups[J]. JOURNAL OF BIOGEOGRAPHY,2019:12.
APA Vidan, Enav.,Novosolov, Maria.,Bauer, Aaron M..,Herrera, Fernando Castro.,Chirio, Laurent.,...&Meiri, Shai.(2019).The global biogeography of lizard functional groups.JOURNAL OF BIOGEOGRAPHY,12.
MLA Vidan, Enav,et al."The global biogeography of lizard functional groups".JOURNAL OF BIOGEOGRAPHY (2019):12.
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